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Diffstat (limited to '')
| -rw-r--r-- | isisd/isisd.c | 3713 |
1 files changed, 3713 insertions, 0 deletions
diff --git a/isisd/isisd.c b/isisd/isisd.c new file mode 100644 index 0000000..54e6be5 --- /dev/null +++ b/isisd/isisd.c @@ -0,0 +1,3713 @@ +/* + * IS-IS Rout(e)ing protocol - isisd.c + * + * Copyright (C) 2001,2002 Sampo Saaristo + * Tampere University of Technology + * Institute of Communications Engineering + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public Licenseas published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful,but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <zebra.h> + +#include "thread.h" +#include "vty.h" +#include "command.h" +#include "log.h" +#include "memory.h" +#include "time.h" +#include "linklist.h" +#include "if.h" +#include "hash.h" +#include "filter.h" +#include "plist.h" +#include "stream.h" +#include "prefix.h" +#include "table.h" +#include "qobj.h" +#include "zclient.h" +#include "vrf.h" +#include "spf_backoff.h" +#include "lib/northbound_cli.h" +#include "bfd.h" + +#include "isisd/isis_constants.h" +#include "isisd/isis_common.h" +#include "isisd/isis_flags.h" +#include "isisd/isis_circuit.h" +#include "isisd/isis_csm.h" +#include "isisd/isisd.h" +#include "isisd/isis_dynhn.h" +#include "isisd/isis_adjacency.h" +#include "isisd/isis_pdu.h" +#include "isisd/isis_misc.h" +#include "isisd/isis_constants.h" +#include "isisd/isis_lsp.h" +#include "isisd/isis_spf.h" +#include "isisd/isis_route.h" +#include "isisd/isis_zebra.h" +#include "isisd/isis_events.h" +#include "isisd/isis_te.h" +#include "isisd/isis_mt.h" +#include "isisd/isis_sr.h" +#include "isisd/fabricd.h" +#include "isisd/isis_nb.h" + +/* For debug statement. */ +unsigned long debug_adj_pkt; +unsigned long debug_snp_pkt; +unsigned long debug_update_pkt; +unsigned long debug_spf_events; +unsigned long debug_rte_events; +unsigned long debug_events; +unsigned long debug_pkt_dump; +unsigned long debug_lsp_gen; +unsigned long debug_lsp_sched; +unsigned long debug_flooding; +unsigned long debug_bfd; +unsigned long debug_tx_queue; +unsigned long debug_sr; +unsigned long debug_ldp_sync; +unsigned long debug_lfa; +unsigned long debug_te; + +DEFINE_MGROUP(ISISD, "isisd"); + +DEFINE_MTYPE_STATIC(ISISD, ISIS, "ISIS process"); +DEFINE_MTYPE_STATIC(ISISD, ISIS_NAME, "ISIS process name"); +DEFINE_MTYPE_STATIC(ISISD, ISIS_AREA, "ISIS area"); +DEFINE_MTYPE(ISISD, ISIS_AREA_ADDR, "ISIS area address"); +DEFINE_MTYPE(ISISD, ISIS_ACL_NAME, "ISIS access-list name"); +DEFINE_MTYPE(ISISD, ISIS_PLIST_NAME, "ISIS prefix-list name"); + +DEFINE_QOBJ_TYPE(isis_area); + +/* ISIS process wide configuration. */ +static struct isis_master isis_master; + +/* ISIS process wide configuration pointer to export. */ +struct isis_master *im; + +#ifndef FABRICD +DEFINE_HOOK(isis_hook_db_overload, (const struct isis_area *area), (area)); +#endif /* ifndef FABRICD */ + +/* + * Prototypes. + */ +int isis_area_get(struct vty *, const char *); +int area_net_title(struct vty *, const char *); +int area_clear_net_title(struct vty *, const char *); +int show_isis_interface_common(struct vty *, struct json_object *json, + const char *ifname, char, const char *vrf_name, + bool all_vrf); +int show_isis_interface_common_vty(struct vty *, const char *ifname, char, + const char *vrf_name, bool all_vrf); +int show_isis_interface_common_json(struct json_object *json, + const char *ifname, char, + const char *vrf_name, bool all_vrf); +int show_isis_neighbor_common(struct vty *, struct json_object *json, + const char *id, char, const char *vrf_name, + bool all_vrf); +int clear_isis_neighbor_common(struct vty *, const char *id, + const char *vrf_name, bool all_vrf); + +/* Link ISIS instance to VRF. */ +void isis_vrf_link(struct isis *isis, struct vrf *vrf) +{ + isis->vrf_id = vrf->vrf_id; + if (vrf->info != (void *)isis) + vrf->info = (void *)isis; +} + +/* Unlink ISIS instance to VRF. */ +void isis_vrf_unlink(struct isis *isis, struct vrf *vrf) +{ + if (vrf->info == (void *)isis) + vrf->info = NULL; + isis->vrf_id = VRF_UNKNOWN; +} + +struct isis *isis_lookup_by_vrfid(vrf_id_t vrf_id) +{ + struct isis *isis; + struct listnode *node; + + for (ALL_LIST_ELEMENTS_RO(im->isis, node, isis)) + if (isis->vrf_id == vrf_id) + return isis; + + return NULL; +} + +struct isis *isis_lookup_by_vrfname(const char *vrfname) +{ + struct isis *isis; + struct listnode *node; + + for (ALL_LIST_ELEMENTS_RO(im->isis, node, isis)) + if (isis->name && vrfname && strcmp(isis->name, vrfname) == 0) + return isis; + + return NULL; +} + +struct isis *isis_lookup_by_sysid(const uint8_t *sysid) +{ + struct isis *isis; + struct listnode *node; + + for (ALL_LIST_ELEMENTS_RO(im->isis, node, isis)) + if (!memcmp(isis->sysid, sysid, ISIS_SYS_ID_LEN)) + return isis; + + return NULL; +} + +void isis_master_init(struct thread_master *master) +{ + memset(&isis_master, 0, sizeof(isis_master)); + im = &isis_master; + im->isis = list_new(); + im->master = master; +} + +struct isis *isis_new(const char *vrf_name) +{ + struct vrf *vrf; + struct isis *isis; + + isis = XCALLOC(MTYPE_ISIS, sizeof(struct isis)); + + isis->name = XSTRDUP(MTYPE_ISIS_NAME, vrf_name); + + vrf = vrf_lookup_by_name(vrf_name); + + if (vrf) + isis_vrf_link(isis, vrf); + else + isis->vrf_id = VRF_UNKNOWN; + + isis_zebra_vrf_register(isis); + + if (IS_DEBUG_EVENTS) + zlog_debug( + "%s: Create new isis instance with vrf_name %s vrf_id %u", + __func__, isis->name, isis->vrf_id); + + /* + * Default values + */ + isis->max_area_addrs = ISIS_DEFAULT_MAX_AREA_ADDRESSES; + isis->process_id = getpid(); + isis->router_id = 0; + isis->area_list = list_new(); + isis->uptime = time(NULL); + isis->snmp_notifications = 1; + dyn_cache_init(isis); + + listnode_add(im->isis, isis); + + return isis; +} + +void isis_finish(struct isis *isis) +{ + struct isis_area *area; + struct listnode *node, *nnode; + + for (ALL_LIST_ELEMENTS(isis->area_list, node, nnode, area)) + isis_area_destroy(area); + + struct vrf *vrf = NULL; + + listnode_delete(im->isis, isis); + + isis_zebra_vrf_deregister(isis); + + vrf = vrf_lookup_by_name(isis->name); + if (vrf) + isis_vrf_unlink(isis, vrf); + XFREE(MTYPE_ISIS_NAME, isis->name); + + isis_redist_free(isis); + list_delete(&isis->area_list); + dyn_cache_finish(isis); + XFREE(MTYPE_ISIS, isis); +} + +void isis_area_add_circuit(struct isis_area *area, struct isis_circuit *circuit) +{ + isis_csm_state_change(ISIS_ENABLE, circuit, area); + + area->ip_circuits += circuit->ip_router; + area->ipv6_circuits += circuit->ipv6_router; + + area->lfa_protected_links[0] += circuit->lfa_protection[0]; + area->rlfa_protected_links[0] += circuit->rlfa_protection[0]; + area->tilfa_protected_links[0] += circuit->tilfa_protection[0]; + + area->lfa_protected_links[1] += circuit->lfa_protection[1]; + area->rlfa_protected_links[1] += circuit->rlfa_protection[1]; + area->tilfa_protected_links[1] += circuit->tilfa_protection[1]; +} + +void isis_area_del_circuit(struct isis_area *area, struct isis_circuit *circuit) +{ + area->ip_circuits -= circuit->ip_router; + area->ipv6_circuits -= circuit->ipv6_router; + + area->lfa_protected_links[0] -= circuit->lfa_protection[0]; + area->rlfa_protected_links[0] -= circuit->rlfa_protection[0]; + area->tilfa_protected_links[0] -= circuit->tilfa_protection[0]; + + area->lfa_protected_links[1] -= circuit->lfa_protection[1]; + area->rlfa_protected_links[1] -= circuit->rlfa_protection[1]; + area->tilfa_protected_links[1] -= circuit->tilfa_protection[1]; + + isis_csm_state_change(ISIS_DISABLE, circuit, area); +} + +static void delete_area_addr(void *arg) +{ + struct area_addr *addr = (struct area_addr *)arg; + + XFREE(MTYPE_ISIS_AREA_ADDR, addr); +} + +struct isis_area *isis_area_create(const char *area_tag, const char *vrf_name) +{ + struct isis_area *area; + struct isis *isis = NULL; + struct vrf *vrf = NULL; + struct interface *ifp; + struct isis_circuit *circuit; + + area = XCALLOC(MTYPE_ISIS_AREA, sizeof(struct isis_area)); + + if (!vrf_name) + vrf_name = VRF_DEFAULT_NAME; + + vrf = vrf_lookup_by_name(vrf_name); + isis = isis_lookup_by_vrfname(vrf_name); + + if (isis == NULL) + isis = isis_new(vrf_name); + + listnode_add(isis->area_list, area); + area->isis = isis; + + /* + * Fabricd runs only as level-2. + * For IS-IS, the default is level-1-2 + */ + if (fabricd) + area->is_type = IS_LEVEL_2; + else + area->is_type = yang_get_default_enum( + "/frr-isisd:isis/instance/is-type"); + + /* + * intialize the databases + */ + if (area->is_type & IS_LEVEL_1) + lsp_db_init(&area->lspdb[0]); + if (area->is_type & IS_LEVEL_2) + lsp_db_init(&area->lspdb[1]); + + spftree_area_init(area); + + area->circuit_list = list_new(); + area->adjacency_list = list_new(); + area->area_addrs = list_new(); + area->area_addrs->del = delete_area_addr; + + if (!CHECK_FLAG(im->options, F_ISIS_UNIT_TEST)) + thread_add_timer(master, lsp_tick, area, 1, &area->t_tick); + flags_initialize(&area->flags); + + isis_sr_area_init(area); + + /* + * Default values + */ +#ifndef FABRICD + enum isis_metric_style default_style; + + area->max_lsp_lifetime[0] = yang_get_default_uint16( + "/frr-isisd:isis/instance/lsp/timers/level-1/maximum-lifetime"); + area->max_lsp_lifetime[1] = yang_get_default_uint16( + "/frr-isisd:isis/instance/lsp/timers/level-2/maximum-lifetime"); + area->lsp_refresh[0] = yang_get_default_uint16( + "/frr-isisd:isis/instance/lsp/timers/level-1/refresh-interval"); + area->lsp_refresh[1] = yang_get_default_uint16( + "/frr-isisd:isis/instance/lsp/timers/level-2/refresh-interval"); + area->lsp_gen_interval[0] = yang_get_default_uint16( + "/frr-isisd:isis/instance/lsp/timers/level-1/generation-interval"); + area->lsp_gen_interval[1] = yang_get_default_uint16( + "/frr-isisd:isis/instance/lsp/timers/level-2/generation-interval"); + area->min_spf_interval[0] = yang_get_default_uint16( + "/frr-isisd:isis/instance/spf/minimum-interval/level-1"); + area->min_spf_interval[1] = yang_get_default_uint16( + "/frr-isisd:isis/instance/spf/minimum-interval/level-1"); + area->dynhostname = yang_get_default_bool( + "/frr-isisd:isis/instance/dynamic-hostname"); + default_style = + yang_get_default_enum("/frr-isisd:isis/instance/metric-style"); + area->oldmetric = default_style == ISIS_WIDE_METRIC ? 0 : 1; + area->newmetric = default_style == ISIS_NARROW_METRIC ? 0 : 1; + area->lsp_frag_threshold = 90; /* not currently configurable */ + area->lsp_mtu = + yang_get_default_uint16("/frr-isisd:isis/instance/lsp/mtu"); + area->lfa_load_sharing[0] = yang_get_default_bool( + "/frr-isisd:isis/instance/fast-reroute/level-1/lfa/load-sharing"); + area->lfa_load_sharing[1] = yang_get_default_bool( + "/frr-isisd:isis/instance/fast-reroute/level-2/lfa/load-sharing"); + area->attached_bit_send = + yang_get_default_bool("/frr-isisd:isis/instance/attach-send"); + area->attached_bit_rcv_ignore = yang_get_default_bool( + "/frr-isisd:isis/instance/attach-receive-ignore"); + +#else + area->max_lsp_lifetime[0] = DEFAULT_LSP_LIFETIME; /* 1200 */ + area->max_lsp_lifetime[1] = DEFAULT_LSP_LIFETIME; /* 1200 */ + area->lsp_refresh[0] = DEFAULT_MAX_LSP_GEN_INTERVAL; /* 900 */ + area->lsp_refresh[1] = DEFAULT_MAX_LSP_GEN_INTERVAL; /* 900 */ + area->lsp_gen_interval[0] = DEFAULT_MIN_LSP_GEN_INTERVAL; + area->lsp_gen_interval[1] = DEFAULT_MIN_LSP_GEN_INTERVAL; + area->min_spf_interval[0] = MINIMUM_SPF_INTERVAL; + area->min_spf_interval[1] = MINIMUM_SPF_INTERVAL; + area->dynhostname = 1; + area->oldmetric = 0; + area->newmetric = 1; + area->lsp_frag_threshold = 90; + area->lsp_mtu = DEFAULT_LSP_MTU; + area->lfa_load_sharing[0] = true; + area->lfa_load_sharing[1] = true; + area->attached_bit_send = true; + area->attached_bit_rcv_ignore = false; +#endif /* ifndef FABRICD */ + area->lfa_priority_limit[0] = SPF_PREFIX_PRIO_LOW; + area->lfa_priority_limit[1] = SPF_PREFIX_PRIO_LOW; + isis_lfa_tiebreakers_init(area, ISIS_LEVEL1); + isis_lfa_tiebreakers_init(area, ISIS_LEVEL2); + + area_mt_init(area); + + area->area_tag = strdup(area_tag); + + if (fabricd) + area->fabricd = fabricd_new(area); + + area->lsp_refresh_arg[0].area = area; + area->lsp_refresh_arg[0].level = IS_LEVEL_1; + area->lsp_refresh_arg[1].area = area; + area->lsp_refresh_arg[1].level = IS_LEVEL_2; + + area->bfd_signalled_down = false; + area->bfd_force_spf_refresh = false; + + QOBJ_REG(area, isis_area); + + if (vrf) { + FOR_ALL_INTERFACES (vrf, ifp) { + if (ifp->ifindex == IFINDEX_INTERNAL) + continue; + + circuit = ifp->info; + if (circuit && strmatch(circuit->tag, area->area_tag)) + isis_area_add_circuit(area, circuit); + } + } + + return area; +} + +struct isis_area *isis_area_lookup_by_vrf(const char *area_tag, + const char *vrf_name) +{ + struct isis_area *area; + struct listnode *node; + struct isis *isis = NULL; + + isis = isis_lookup_by_vrfname(vrf_name); + if (isis == NULL) + return NULL; + + for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) + if (strcmp(area->area_tag, area_tag) == 0) + return area; + + return NULL; +} + +struct isis_area *isis_area_lookup(const char *area_tag, vrf_id_t vrf_id) +{ + struct isis_area *area; + struct listnode *node; + struct isis *isis; + + isis = isis_lookup_by_vrfid(vrf_id); + if (isis == NULL) + return NULL; + + for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) + if ((area->area_tag == NULL && area_tag == NULL) + || (area->area_tag && area_tag + && strcmp(area->area_tag, area_tag) == 0)) + return area; + + return NULL; +} + +int isis_area_get(struct vty *vty, const char *area_tag) +{ + struct isis_area *area; + + area = isis_area_lookup(area_tag, VRF_DEFAULT); + + if (area) { + VTY_PUSH_CONTEXT(ROUTER_NODE, area); + return CMD_SUCCESS; + } + + area = isis_area_create(area_tag, VRF_DEFAULT_NAME); + + if (IS_DEBUG_EVENTS) + zlog_debug("New IS-IS area instance %s", area->area_tag); + + VTY_PUSH_CONTEXT(ROUTER_NODE, area); + + return CMD_SUCCESS; +} + +void isis_area_destroy(struct isis_area *area) +{ + struct listnode *node, *nnode; + struct isis_circuit *circuit; + + QOBJ_UNREG(area); + + if (fabricd) + fabricd_finish(area->fabricd); + + if (area->circuit_list) { + for (ALL_LIST_ELEMENTS(area->circuit_list, node, nnode, + circuit)) + isis_area_del_circuit(area, circuit); + + list_delete(&area->circuit_list); + } + if (area->flags.free_idcs) + list_delete(&area->flags.free_idcs); + + list_delete(&area->adjacency_list); + + lsp_db_fini(&area->lspdb[0]); + lsp_db_fini(&area->lspdb[1]); + + /* invalidate and verify to delete all routes from zebra */ + isis_area_invalidate_routes(area, area->is_type); + isis_area_verify_routes(area); + + isis_sr_area_term(area); + + isis_mpls_te_term(area); + + spftree_area_del(area); + + if (area->spf_timer[0]) + isis_spf_timer_free(THREAD_ARG(area->spf_timer[0])); + THREAD_OFF(area->spf_timer[0]); + if (area->spf_timer[1]) + isis_spf_timer_free(THREAD_ARG(area->spf_timer[1])); + THREAD_OFF(area->spf_timer[1]); + + spf_backoff_free(area->spf_delay_ietf[0]); + spf_backoff_free(area->spf_delay_ietf[1]); + + if (!CHECK_FLAG(im->options, F_ISIS_UNIT_TEST)) + isis_redist_area_finish(area); + + list_delete(&area->area_addrs); + + for (int i = SPF_PREFIX_PRIO_CRITICAL; i <= SPF_PREFIX_PRIO_MEDIUM; + i++) { + struct spf_prefix_priority_acl *ppa; + + ppa = &area->spf_prefix_priorities[i]; + XFREE(MTYPE_ISIS_ACL_NAME, ppa->name); + } + isis_lfa_tiebreakers_clear(area, ISIS_LEVEL1); + isis_lfa_tiebreakers_clear(area, ISIS_LEVEL2); + + THREAD_OFF(area->t_tick); + THREAD_OFF(area->t_lsp_refresh[0]); + THREAD_OFF(area->t_lsp_refresh[1]); + THREAD_OFF(area->t_rlfa_rib_update); + + thread_cancel_event(master, area); + + listnode_delete(area->isis->area_list, area); + + free(area->area_tag); + + area_mt_finish(area); + + if (area->rlfa_plist_name[0]) + XFREE(MTYPE_ISIS_PLIST_NAME, area->rlfa_plist_name[0]); + if (area->rlfa_plist_name[1]) + XFREE(MTYPE_ISIS_PLIST_NAME, area->rlfa_plist_name[1]); + + XFREE(MTYPE_ISIS_AREA, area); + +} + +/* This is hook function for vrf create called as part of vrf_init */ +static int isis_vrf_new(struct vrf *vrf) +{ + if (IS_DEBUG_EVENTS) + zlog_debug("%s: VRF Created: %s(%u)", __func__, vrf->name, + vrf->vrf_id); + + return 0; +} + +/* This is hook function for vrf delete call as part of vrf_init */ +static int isis_vrf_delete(struct vrf *vrf) +{ + if (IS_DEBUG_EVENTS) + zlog_debug("%s: VRF Deletion: %s(%u)", __func__, vrf->name, + vrf->vrf_id); + + return 0; +} + +static void isis_set_redist_vrf_bitmaps(struct isis *isis, bool set) +{ + struct listnode *node; + struct isis_area *area; + int type; + int level; + int protocol; + + char do_subscribe[REDIST_PROTOCOL_COUNT][ZEBRA_ROUTE_MAX + 1]; + + memset(do_subscribe, 0, sizeof(do_subscribe)); + + for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) + for (protocol = 0; protocol < REDIST_PROTOCOL_COUNT; protocol++) + for (type = 0; type < ZEBRA_ROUTE_MAX + 1; type++) + for (level = 0; level < ISIS_LEVELS; level++) + if (area->redist_settings[protocol] + [type][level] + .redist + == 1) + do_subscribe[protocol][type] = + 1; + + for (protocol = 0; protocol < REDIST_PROTOCOL_COUNT; protocol++) + for (type = 0; type < ZEBRA_ROUTE_MAX + 1; type++) { + /* This field is actually controlling transmission of + * the IS-IS + * routes to Zebra and has nothing to do with + * redistribution, + * so skip it. */ + if (type == PROTO_TYPE) + continue; + + if (!do_subscribe[protocol][type]) + continue; + + afi_t afi = afi_for_redist_protocol(protocol); + + if (type == DEFAULT_ROUTE) { + if (set) + vrf_bitmap_set( + zclient->default_information + [afi], + isis->vrf_id); + else + vrf_bitmap_unset( + zclient->default_information + [afi], + isis->vrf_id); + } else { + if (set) + vrf_bitmap_set( + zclient->redist[afi][type], + isis->vrf_id); + else + vrf_bitmap_unset( + zclient->redist[afi][type], + isis->vrf_id); + } + } +} + +static int isis_vrf_enable(struct vrf *vrf) +{ + struct isis *isis; + vrf_id_t old_vrf_id; + + if (IS_DEBUG_EVENTS) + zlog_debug("%s: VRF %s id %u enabled", __func__, vrf->name, + vrf->vrf_id); + + isis = isis_lookup_by_vrfname(vrf->name); + if (isis && isis->vrf_id != vrf->vrf_id) { + old_vrf_id = isis->vrf_id; + /* We have instance configured, link to VRF and make it "up". */ + isis_vrf_link(isis, vrf); + if (IS_DEBUG_EVENTS) + zlog_debug( + "%s: isis linked to vrf %s vrf_id %u (old id %u)", + __func__, vrf->name, isis->vrf_id, old_vrf_id); + /* start zebra redist to us for new vrf */ + isis_set_redist_vrf_bitmaps(isis, true); + + isis_zebra_vrf_register(isis); + } + + return 0; +} + +static int isis_vrf_disable(struct vrf *vrf) +{ + struct isis *isis; + vrf_id_t old_vrf_id = VRF_UNKNOWN; + + if (vrf->vrf_id == VRF_DEFAULT) + return 0; + + if (IS_DEBUG_EVENTS) + zlog_debug("%s: VRF %s id %d disabled.", __func__, vrf->name, + vrf->vrf_id); + isis = isis_lookup_by_vrfname(vrf->name); + if (isis) { + old_vrf_id = isis->vrf_id; + + isis_zebra_vrf_deregister(isis); + + isis_set_redist_vrf_bitmaps(isis, false); + + /* We have instance configured, unlink + * from VRF and make it "down". + */ + isis_vrf_unlink(isis, vrf); + if (IS_DEBUG_EVENTS) + zlog_debug("%s: isis old_vrf_id %d unlinked", __func__, + old_vrf_id); + } + + return 0; +} + +void isis_vrf_init(void) +{ + vrf_init(isis_vrf_new, isis_vrf_enable, isis_vrf_disable, + isis_vrf_delete); + + vrf_cmd_init(NULL); +} + +void isis_terminate() +{ + struct isis *isis; + struct listnode *node, *nnode; + + bfd_protocol_integration_set_shutdown(true); + + if (listcount(im->isis) == 0) + return; + + for (ALL_LIST_ELEMENTS(im->isis, node, nnode, isis)) + isis_finish(isis); +} + +void isis_filter_update(struct access_list *access) +{ + struct isis *isis; + struct isis_area *area; + struct listnode *node, *anode; + + for (ALL_LIST_ELEMENTS_RO(im->isis, node, isis)) { + for (ALL_LIST_ELEMENTS_RO(isis->area_list, anode, area)) { + for (int i = SPF_PREFIX_PRIO_CRITICAL; + i <= SPF_PREFIX_PRIO_MEDIUM; i++) { + struct spf_prefix_priority_acl *ppa; + + ppa = &area->spf_prefix_priorities[i]; + ppa->list_v4 = + access_list_lookup(AFI_IP, ppa->name); + ppa->list_v6 = + access_list_lookup(AFI_IP6, ppa->name); + } + lsp_regenerate_schedule(area, area->is_type, 0); + } + } +} + +void isis_prefix_list_update(struct prefix_list *plist) +{ + struct isis *isis; + struct isis_area *area; + struct listnode *node, *anode; + + for (ALL_LIST_ELEMENTS_RO(im->isis, node, isis)) { + for (ALL_LIST_ELEMENTS_RO(isis->area_list, anode, area)) { + for (int level = ISIS_LEVEL1; level <= ISIS_LEVELS; + level++) { + const char *plist_name = + prefix_list_name(plist); + + if (!area->rlfa_plist_name[level - 1]) + continue; + + if (!strmatch(area->rlfa_plist_name[level - 1], + plist_name)) + continue; + + area->rlfa_plist[level - 1] = + prefix_list_lookup(AFI_IP, plist_name); + lsp_regenerate_schedule(area, area->is_type, 0); + } + } + } +} + +#ifdef FABRICD +static void area_set_mt_enabled(struct isis_area *area, uint16_t mtid, + bool enabled) +{ + struct isis_area_mt_setting *setting; + + setting = area_get_mt_setting(area, mtid); + if (setting->enabled != enabled) { + setting->enabled = enabled; + lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 0); + } +} + +static void area_set_mt_overload(struct isis_area *area, uint16_t mtid, + bool overload) +{ + struct isis_area_mt_setting *setting; + + setting = area_get_mt_setting(area, mtid); + if (setting->overload != overload) { + setting->overload = overload; + if (setting->enabled) + lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, + 0); + } +} +#endif /* ifdef FABRICD */ + +int area_net_title(struct vty *vty, const char *net_title) +{ + VTY_DECLVAR_CONTEXT(isis_area, area); + struct area_addr *addr; + struct area_addr *addrp; + struct listnode *node; + + uint8_t buff[255]; + + /* We check that we are not over the maximal number of addresses */ + if (listcount(area->area_addrs) >= area->isis->max_area_addrs) { + vty_out(vty, + "Maximum of area addresses (%d) already reached \n", + area->isis->max_area_addrs); + return CMD_ERR_NOTHING_TODO; + } + + addr = XMALLOC(MTYPE_ISIS_AREA_ADDR, sizeof(struct area_addr)); + addr->addr_len = dotformat2buff(buff, net_title); + memcpy(addr->area_addr, buff, addr->addr_len); +#ifdef EXTREME_DEBUG + zlog_debug("added area address %s for area %s (address length %d)", + net_title, area->area_tag, addr->addr_len); +#endif /* EXTREME_DEBUG */ + if (addr->addr_len < 8 || addr->addr_len > 20) { + vty_out(vty, + "area address must be at least 8..20 octets long (%d)\n", + addr->addr_len); + XFREE(MTYPE_ISIS_AREA_ADDR, addr); + return CMD_WARNING_CONFIG_FAILED; + } + + if (addr->area_addr[addr->addr_len - 1] != 0) { + vty_out(vty, + "nsel byte (last byte) in area address must be 0\n"); + XFREE(MTYPE_ISIS_AREA_ADDR, addr); + return CMD_WARNING_CONFIG_FAILED; + } + + if (area->isis->sysid_set == 0) { + /* + * First area address - get the SystemID for this router + */ + memcpy(area->isis->sysid, GETSYSID(addr), ISIS_SYS_ID_LEN); + area->isis->sysid_set = 1; + if (IS_DEBUG_EVENTS) + zlog_debug("Router has SystemID %s", + sysid_print(area->isis->sysid)); + } else { + /* + * Check that the SystemID portions match + */ + if (memcmp(area->isis->sysid, GETSYSID(addr), + ISIS_SYS_ID_LEN)) { + vty_out(vty, + "System ID must not change when defining additional area addresses\n"); + XFREE(MTYPE_ISIS_AREA_ADDR, addr); + return CMD_WARNING_CONFIG_FAILED; + } + + /* now we see that we don't already have this address */ + for (ALL_LIST_ELEMENTS_RO(area->area_addrs, node, addrp)) { + if ((addrp->addr_len + ISIS_SYS_ID_LEN + ISIS_NSEL_LEN) + != (addr->addr_len)) + continue; + if (!memcmp(addrp->area_addr, addr->area_addr, + addr->addr_len)) { + XFREE(MTYPE_ISIS_AREA_ADDR, addr); + return CMD_SUCCESS; /* silent fail */ + } + } + } + + /* + * Forget the systemID part of the address + */ + addr->addr_len -= (ISIS_SYS_ID_LEN + ISIS_NSEL_LEN); + listnode_add(area->area_addrs, addr); + + /* only now we can safely generate our LSPs for this area */ + if (listcount(area->area_addrs) > 0) { + if (area->is_type & IS_LEVEL_1) + lsp_generate(area, IS_LEVEL_1); + if (area->is_type & IS_LEVEL_2) + lsp_generate(area, IS_LEVEL_2); + } + + return CMD_SUCCESS; +} + +int area_clear_net_title(struct vty *vty, const char *net_title) +{ + VTY_DECLVAR_CONTEXT(isis_area, area); + struct area_addr addr, *addrp = NULL; + struct listnode *node; + uint8_t buff[255]; + + addr.addr_len = dotformat2buff(buff, net_title); + if (addr.addr_len < 8 || addr.addr_len > 20) { + vty_out(vty, + "Unsupported area address length %d, should be 8...20 \n", + addr.addr_len); + return CMD_WARNING_CONFIG_FAILED; + } + + memcpy(addr.area_addr, buff, (int)addr.addr_len); + + for (ALL_LIST_ELEMENTS_RO(area->area_addrs, node, addrp)) + if ((addrp->addr_len + ISIS_SYS_ID_LEN + 1) == addr.addr_len + && !memcmp(addrp->area_addr, addr.area_addr, addr.addr_len)) + break; + + if (!addrp) { + vty_out(vty, "No area address %s for area %s \n", net_title, + area->area_tag); + return CMD_ERR_NO_MATCH; + } + + listnode_delete(area->area_addrs, addrp); + XFREE(MTYPE_ISIS_AREA_ADDR, addrp); + + /* + * Last area address - reset the SystemID for this router + */ + if (listcount(area->area_addrs) == 0) { + memset(area->isis->sysid, 0, ISIS_SYS_ID_LEN); + area->isis->sysid_set = 0; + if (IS_DEBUG_EVENTS) + zlog_debug("Router has no SystemID"); + } + + return CMD_SUCCESS; +} + +/* + * 'show isis interface' command + */ +int show_isis_interface_common(struct vty *vty, struct json_object *json, + const char *ifname, char detail, + const char *vrf_name, bool all_vrf) +{ + if (json) { + return show_isis_interface_common_json(json, ifname, detail, + vrf_name, all_vrf); + } else { + return show_isis_interface_common_vty(vty, ifname, detail, + vrf_name, all_vrf); + } +} + +int show_isis_interface_common_json(struct json_object *json, + const char *ifname, char detail, + const char *vrf_name, bool all_vrf) +{ + struct listnode *anode, *cnode, *inode; + struct isis_area *area; + struct isis_circuit *circuit; + struct isis *isis; + struct json_object *areas_json, *area_json; + struct json_object *circuits_json, *circuit_json; + if (!im) { + // IS-IS Routing Process not enabled + json_object_string_add(json, "is-is-routing-process-enabled", + "no"); + return CMD_SUCCESS; + } + if (vrf_name) { + if (all_vrf) { + for (ALL_LIST_ELEMENTS_RO(im->isis, inode, isis)) { + areas_json = json_object_new_array(); + json_object_object_add(json, "areas", + areas_json); + for (ALL_LIST_ELEMENTS_RO(isis->area_list, + anode, area)) { + area_json = json_object_new_object(); + json_object_string_add( + area_json, "area", + area->area_tag ? area->area_tag + : "null"); + circuits_json = json_object_new_array(); + json_object_object_add(area_json, + "circuits", + circuits_json); + for (ALL_LIST_ELEMENTS_RO( + area->circuit_list, cnode, + circuit)) { + circuit_json = + json_object_new_object(); + json_object_int_add( + circuit_json, "circuit", + circuit->circuit_id); + if (!ifname) + isis_circuit_print_json( + circuit, + circuit_json, + detail); + else if (strcmp(circuit->interface->name, ifname) == 0) + isis_circuit_print_json( + circuit, + circuit_json, + detail); + json_object_array_add( + circuits_json, + circuit_json); + } + json_object_array_add(areas_json, + area_json); + } + } + return CMD_SUCCESS; + } + isis = isis_lookup_by_vrfname(vrf_name); + if (isis != NULL) { + areas_json = json_object_new_array(); + json_object_object_add(json, "areas", areas_json); + for (ALL_LIST_ELEMENTS_RO(isis->area_list, anode, + area)) { + area_json = json_object_new_object(); + json_object_string_add(area_json, "area", + area->area_tag + ? area->area_tag + : "null"); + + circuits_json = json_object_new_array(); + json_object_object_add(area_json, "circuits", + circuits_json); + for (ALL_LIST_ELEMENTS_RO(area->circuit_list, + cnode, circuit)) { + circuit_json = json_object_new_object(); + json_object_int_add( + circuit_json, "circuit", + circuit->circuit_id); + if (!ifname) + isis_circuit_print_json( + circuit, circuit_json, + detail); + else if ( + strcmp(circuit->interface->name, + ifname) == 0) + isis_circuit_print_json( + circuit, circuit_json, + detail); + json_object_array_add(circuits_json, + circuit_json); + } + json_object_array_add(areas_json, area_json); + } + } + } + return CMD_SUCCESS; +} + +int show_isis_interface_common_vty(struct vty *vty, const char *ifname, + char detail, const char *vrf_name, + bool all_vrf) +{ + struct listnode *anode, *cnode, *inode; + struct isis_area *area; + struct isis_circuit *circuit; + struct isis *isis; + + if (!im) { + vty_out(vty, "IS-IS Routing Process not enabled\n"); + return CMD_SUCCESS; + } + if (vrf_name) { + if (all_vrf) { + for (ALL_LIST_ELEMENTS_RO(im->isis, inode, isis)) { + for (ALL_LIST_ELEMENTS_RO(isis->area_list, + anode, area)) { + vty_out(vty, "Area %s:\n", + area->area_tag); + + if (detail == ISIS_UI_LEVEL_BRIEF) + vty_out(vty, + " Interface CircId State Type Level\n"); + + for (ALL_LIST_ELEMENTS_RO( + area->circuit_list, cnode, + circuit)) + if (!ifname) + isis_circuit_print_vty( + circuit, vty, + detail); + else if (strcmp(circuit->interface->name, ifname) == 0) + isis_circuit_print_vty( + circuit, vty, + detail); + } + } + return CMD_SUCCESS; + } + isis = isis_lookup_by_vrfname(vrf_name); + if (isis != NULL) { + for (ALL_LIST_ELEMENTS_RO(isis->area_list, anode, + area)) { + vty_out(vty, "Area %s:\n", area->area_tag); + + if (detail == ISIS_UI_LEVEL_BRIEF) + vty_out(vty, + " Interface CircId State Type Level\n"); + + for (ALL_LIST_ELEMENTS_RO(area->circuit_list, + cnode, circuit)) + if (!ifname) + isis_circuit_print_vty( + circuit, vty, detail); + else if ( + strcmp(circuit->interface->name, + ifname) == 0) + isis_circuit_print_vty( + circuit, vty, detail); + } + } + } + + return CMD_SUCCESS; +} + +DEFUN(show_isis_interface, + show_isis_interface_cmd, + "show " PROTO_NAME " [vrf <NAME|all>] interface [json]", + SHOW_STR + PROTO_HELP + VRF_CMD_HELP_STR + "All VRFs\n" + "json output\n" + "IS-IS interface\n") +{ + int res = CMD_SUCCESS; + const char *vrf_name = VRF_DEFAULT_NAME; + bool all_vrf = false; + int idx_vrf = 0; + bool uj = use_json(argc, argv); + json_object *json = NULL; + + ISIS_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf); + if (uj) + json = json_object_new_object(); + res = show_isis_interface_common(vty, json, NULL, ISIS_UI_LEVEL_BRIEF, + vrf_name, all_vrf); + if (uj) + vty_json(vty, json); + return res; +} + +DEFUN(show_isis_interface_detail, + show_isis_interface_detail_cmd, + "show " PROTO_NAME " [vrf <NAME|all>] interface detail [json]", + SHOW_STR + PROTO_HELP + VRF_CMD_HELP_STR + "All VRFs\n" + "IS-IS interface\n" + "show detailed information\n" + "json output\n") +{ + int res = CMD_SUCCESS; + const char *vrf_name = VRF_DEFAULT_NAME; + bool all_vrf = false; + int idx_vrf = 0; + bool uj = use_json(argc, argv); + json_object *json = NULL; + + ISIS_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf); + if (uj) + json = json_object_new_object(); + res = show_isis_interface_common(vty, json, NULL, ISIS_UI_LEVEL_DETAIL, + vrf_name, all_vrf); + if (uj) + vty_json(vty, json); + return res; +} + +DEFUN(show_isis_interface_arg, + show_isis_interface_arg_cmd, + "show " PROTO_NAME " [vrf <NAME|all>] interface WORD [json]", + SHOW_STR + PROTO_HELP + VRF_CMD_HELP_STR + "All VRFs\n" + "IS-IS interface\n" + "IS-IS interface name\n" + "json output\n") +{ + int res = CMD_SUCCESS; + int idx_word = 0; + const char *vrf_name = VRF_DEFAULT_NAME; + bool all_vrf = false; + int idx_vrf = 0; + bool uj = use_json(argc, argv); + json_object *json = NULL; + + ISIS_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf); + if (uj) + json = json_object_new_object(); + + char *ifname = argv_find(argv, argc, "WORD", &idx_word) + ? argv[idx_word]->arg + : NULL; + res = show_isis_interface_common( + vty, json, ifname, ISIS_UI_LEVEL_DETAIL, vrf_name, all_vrf); + if (uj) + vty_json(vty, json); + return res; +} + +static int id_to_sysid(struct isis *isis, const char *id, uint8_t *sysid) +{ + struct isis_dynhn *dynhn; + + memset(sysid, 0, ISIS_SYS_ID_LEN); + if (id) { + if (sysid2buff(sysid, id) == 0) { + dynhn = dynhn_find_by_name(isis, id); + if (dynhn == NULL) + return -1; + memcpy(sysid, dynhn->id, ISIS_SYS_ID_LEN); + } + } + + return 0; +} + +static void isis_neighbor_common_json(struct json_object *json, const char *id, + char detail, struct isis *isis, + uint8_t *sysid) +{ + struct listnode *anode, *cnode, *node; + struct isis_area *area; + struct isis_circuit *circuit; + struct list *adjdb; + struct isis_adjacency *adj; + struct json_object *areas_json, *area_json; + struct json_object *circuits_json, *circuit_json; + int i; + + areas_json = json_object_new_array(); + json_object_object_add(json, "areas", areas_json); + for (ALL_LIST_ELEMENTS_RO(isis->area_list, anode, area)) { + area_json = json_object_new_object(); + json_object_string_add(area_json, "area", + area->area_tag ? area->area_tag + : "null"); + circuits_json = json_object_new_array(); + json_object_object_add(area_json, "circuits", circuits_json); + for (ALL_LIST_ELEMENTS_RO(area->circuit_list, cnode, circuit)) { + circuit_json = json_object_new_object(); + json_object_int_add(circuit_json, "circuit", + circuit->circuit_id); + if (circuit->circ_type == CIRCUIT_T_BROADCAST) { + for (i = 0; i < 2; i++) { + adjdb = circuit->u.bc.adjdb[i]; + if (adjdb && adjdb->count) { + for (ALL_LIST_ELEMENTS_RO( + adjdb, node, adj)) + if (!id || + !memcmp(adj->sysid, + sysid, + ISIS_SYS_ID_LEN)) + isis_adj_print_json( + adj, + circuit_json, + detail); + } + } + } else if (circuit->circ_type == CIRCUIT_T_P2P && + circuit->u.p2p.neighbor) { + adj = circuit->u.p2p.neighbor; + if (!id || + !memcmp(adj->sysid, sysid, ISIS_SYS_ID_LEN)) + isis_adj_print_json(adj, circuit_json, + detail); + } + json_object_array_add(circuits_json, circuit_json); + } + json_object_array_add(areas_json, area_json); + } +} + +static void isis_neighbor_common_vty(struct vty *vty, const char *id, + char detail, struct isis *isis, + uint8_t *sysid) +{ + struct listnode *anode, *cnode, *node; + struct isis_area *area; + struct isis_circuit *circuit; + struct list *adjdb; + struct isis_adjacency *adj; + int i; + + for (ALL_LIST_ELEMENTS_RO(isis->area_list, anode, area)) { + vty_out(vty, "Area %s:\n", area->area_tag); + + if (detail == ISIS_UI_LEVEL_BRIEF) + vty_out(vty, + " System Id Interface L State Holdtime SNPA\n"); + + for (ALL_LIST_ELEMENTS_RO(area->circuit_list, cnode, circuit)) { + if (circuit->circ_type == CIRCUIT_T_BROADCAST) { + for (i = 0; i < 2; i++) { + adjdb = circuit->u.bc.adjdb[i]; + if (adjdb && adjdb->count) { + for (ALL_LIST_ELEMENTS_RO( + adjdb, node, adj)) + if (!id || + !memcmp(adj->sysid, + sysid, + ISIS_SYS_ID_LEN)) + isis_adj_print_vty( + adj, + vty, + detail); + } + } + } else if (circuit->circ_type == CIRCUIT_T_P2P && + circuit->u.p2p.neighbor) { + adj = circuit->u.p2p.neighbor; + if (!id || + !memcmp(adj->sysid, sysid, ISIS_SYS_ID_LEN)) + isis_adj_print_vty(adj, vty, detail); + } + } + } +} + +static void isis_neighbor_common(struct vty *vty, struct json_object *json, + const char *id, char detail, struct isis *isis, + uint8_t *sysid) +{ + if (json) { + isis_neighbor_common_json(json, id, detail,isis,sysid); + } else { + isis_neighbor_common_vty(vty, id, detail,isis,sysid); + } +} + +/* + * 'show isis neighbor' command + */ + +int show_isis_neighbor_common(struct vty *vty, struct json_object *json, + const char *id, char detail, const char *vrf_name, + bool all_vrf) +{ + struct listnode *node; + uint8_t sysid[ISIS_SYS_ID_LEN]; + struct isis *isis; + + if (!im) { + vty_out(vty, "IS-IS Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + if (vrf_name) { + if (all_vrf) { + for (ALL_LIST_ELEMENTS_RO(im->isis, node, isis)) { + if (id_to_sysid(isis, id, sysid)) { + vty_out(vty, "Invalid system id %s\n", + id); + return CMD_SUCCESS; + } + isis_neighbor_common(vty, json, id, detail, + isis, sysid); + } + return CMD_SUCCESS; + } + isis = isis_lookup_by_vrfname(vrf_name); + if (isis != NULL) { + if (id_to_sysid(isis, id, sysid)) { + vty_out(vty, "Invalid system id %s\n", id); + return CMD_SUCCESS; + } + isis_neighbor_common(vty, json, id, detail, isis, + sysid); + } + } + + return CMD_SUCCESS; +} + +static void isis_neighbor_common_clear(struct vty *vty, const char *id, + uint8_t *sysid, struct isis *isis) +{ + struct listnode *anode, *cnode, *node, *nnode; + struct isis_area *area; + struct isis_circuit *circuit; + struct list *adjdb; + struct isis_adjacency *adj; + int i; + + for (ALL_LIST_ELEMENTS_RO(isis->area_list, anode, area)) { + for (ALL_LIST_ELEMENTS_RO(area->circuit_list, cnode, circuit)) { + if (circuit->circ_type == CIRCUIT_T_BROADCAST) { + for (i = 0; i < 2; i++) { + adjdb = circuit->u.bc.adjdb[i]; + if (adjdb && adjdb->count) { + for (ALL_LIST_ELEMENTS( + adjdb, node, nnode, + adj)) + if (!id + || !memcmp( + adj->sysid, + sysid, + ISIS_SYS_ID_LEN)) + isis_adj_state_change( + &adj, + ISIS_ADJ_DOWN, + "clear user request"); + } + } + } else if (circuit->circ_type == CIRCUIT_T_P2P + && circuit->u.p2p.neighbor) { + adj = circuit->u.p2p.neighbor; + if (!id + || !memcmp(adj->sysid, sysid, + ISIS_SYS_ID_LEN)) + isis_adj_state_change( + &adj, ISIS_ADJ_DOWN, + "clear user request"); + } + } + } +} +/* + * 'clear isis neighbor' command + */ +int clear_isis_neighbor_common(struct vty *vty, const char *id, const char *vrf_name, + bool all_vrf) +{ + struct listnode *node; + uint8_t sysid[ISIS_SYS_ID_LEN]; + struct isis *isis; + + if (!im) { + vty_out(vty, "IS-IS Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + if (vrf_name) { + if (all_vrf) { + for (ALL_LIST_ELEMENTS_RO(im->isis, node, isis)) { + if (id_to_sysid(isis, id, sysid)) { + vty_out(vty, "Invalid system id %s\n", + id); + return CMD_SUCCESS; + } + isis_neighbor_common_clear(vty, id, sysid, + isis); + } + return CMD_SUCCESS; + } + isis = isis_lookup_by_vrfname(vrf_name); + if (isis != NULL) { + if (id_to_sysid(isis, id, sysid)) { + vty_out(vty, "Invalid system id %s\n", id); + return CMD_SUCCESS; + } + isis_neighbor_common_clear(vty, id, sysid, isis); + } + } + + return CMD_SUCCESS; +} + +DEFUN(show_isis_neighbor, + show_isis_neighbor_cmd, + "show " PROTO_NAME " [vrf <NAME|all>] neighbor [json]", + SHOW_STR + PROTO_HELP + VRF_CMD_HELP_STR + "All vrfs\n" + "IS-IS neighbor adjacencies\n" + "json output\n") +{ + int res = CMD_SUCCESS; + const char *vrf_name = VRF_DEFAULT_NAME; + bool all_vrf = false; + int idx_vrf = 0; + bool uj = use_json(argc, argv); + json_object *json = NULL; + + ISIS_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf); + if (uj) + json = json_object_new_object(); + res = show_isis_neighbor_common(vty, json, NULL, ISIS_UI_LEVEL_BRIEF, + vrf_name, all_vrf); + if (uj) + vty_json(vty, json); + return res; +} + +DEFUN(show_isis_neighbor_detail, + show_isis_neighbor_detail_cmd, + "show " PROTO_NAME " [vrf <NAME|all>] neighbor detail [json]", + SHOW_STR + PROTO_HELP + VRF_CMD_HELP_STR + "all vrfs\n" + "IS-IS neighbor adjacencies\n" + "show detailed information\n" + "json output\n") +{ + int res = CMD_SUCCESS; + const char *vrf_name = VRF_DEFAULT_NAME; + bool all_vrf = false; + int idx_vrf = 0; + bool uj = use_json(argc, argv); + json_object *json = NULL; + + ISIS_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf); + if (uj) + json = json_object_new_object(); + + res = show_isis_neighbor_common(vty, json, NULL, ISIS_UI_LEVEL_DETAIL, + vrf_name, all_vrf); + if (uj) + vty_json(vty, json); + return res; +} + +DEFUN(show_isis_neighbor_arg, + show_isis_neighbor_arg_cmd, + "show " PROTO_NAME " [vrf <NAME|all>] neighbor WORD [json]", + SHOW_STR + PROTO_HELP + VRF_CMD_HELP_STR + "All vrfs\n" + "IS-IS neighbor adjacencies\n" + "System id\n" + "json output\n") +{ + int res = CMD_SUCCESS; + int idx_word = 0; + const char *vrf_name = VRF_DEFAULT_NAME; + bool all_vrf = false; + int idx_vrf = 0; + bool uj = use_json(argc, argv); + json_object *json = NULL; + + ISIS_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf); + if (uj) + json = json_object_new_object(); + char *id = argv_find(argv, argc, "WORD", &idx_word) + ? argv[idx_word]->arg + : NULL; + + res = show_isis_neighbor_common(vty, json, id, ISIS_UI_LEVEL_DETAIL, + vrf_name, all_vrf); + if (uj) + vty_json(vty, json); + return res; +} + +DEFUN(clear_isis_neighbor, + clear_isis_neighbor_cmd, + "clear " PROTO_NAME " [vrf <NAME|all>] neighbor", + CLEAR_STR + PROTO_HELP + VRF_CMD_HELP_STR + "All vrfs\n" + "IS-IS neighbor adjacencies\n") +{ + const char *vrf_name = VRF_DEFAULT_NAME; + bool all_vrf = false; + int idx_vrf = 0; + + ISIS_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf); + return clear_isis_neighbor_common(vty, NULL, vrf_name, all_vrf); +} + +DEFUN(clear_isis_neighbor_arg, + clear_isis_neighbor_arg_cmd, + "clear " PROTO_NAME " [vrf <NAME|all>] neighbor WORD", + CLEAR_STR + PROTO_HELP + VRF_CMD_HELP_STR + "All vrfs\n" + "IS-IS neighbor adjacencies\n" + "System id\n") +{ + int idx_word = 0; + const char *vrf_name = VRF_DEFAULT_NAME; + bool all_vrf = false; + int idx_vrf = 0; + + char *id = argv_find(argv, argc, "WORD", &idx_word) + ? argv[idx_word]->arg + : NULL; + ISIS_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf); + return clear_isis_neighbor_common(vty, id, vrf_name, all_vrf); +} + +/* + * 'isis debug', 'show debugging' + */ +void print_debug(struct vty *vty, int flags, int onoff) +{ + const char *onoffs = onoff ? "on" : "off"; + + if (flags & DEBUG_ADJ_PACKETS) + vty_out(vty, + "IS-IS Adjacency related packets debugging is %s\n", + onoffs); + if (flags & DEBUG_TX_QUEUE) + vty_out(vty, "IS-IS TX queue debugging is %s\n", + onoffs); + if (flags & DEBUG_SNP_PACKETS) + vty_out(vty, "IS-IS CSNP/PSNP packets debugging is %s\n", + onoffs); + if (flags & DEBUG_SPF_EVENTS) + vty_out(vty, "IS-IS SPF events debugging is %s\n", onoffs); + if (flags & DEBUG_SR) + vty_out(vty, "IS-IS Segment Routing events debugging is %s\n", + onoffs); + if (flags & DEBUG_TE) + vty_out(vty, + "IS-IS Traffic Engineering events debugging is %s\n", + onoffs); + if (flags & DEBUG_LFA) + vty_out(vty, "IS-IS LFA events debugging is %s\n", onoffs); + if (flags & DEBUG_UPDATE_PACKETS) + vty_out(vty, "IS-IS Update related packet debugging is %s\n", + onoffs); + if (flags & DEBUG_RTE_EVENTS) + vty_out(vty, "IS-IS Route related debugging is %s\n", onoffs); + if (flags & DEBUG_EVENTS) + vty_out(vty, "IS-IS Event debugging is %s\n", onoffs); + if (flags & DEBUG_PACKET_DUMP) + vty_out(vty, "IS-IS Packet dump debugging is %s\n", onoffs); + if (flags & DEBUG_LSP_GEN) + vty_out(vty, "IS-IS LSP generation debugging is %s\n", onoffs); + if (flags & DEBUG_LSP_SCHED) + vty_out(vty, "IS-IS LSP scheduling debugging is %s\n", onoffs); + if (flags & DEBUG_FLOODING) + vty_out(vty, "IS-IS Flooding debugging is %s\n", onoffs); + if (flags & DEBUG_BFD) + vty_out(vty, "IS-IS BFD debugging is %s\n", onoffs); + if (flags & DEBUG_LDP_SYNC) + vty_out(vty, "IS-IS ldp-sync debugging is %s\n", onoffs); +} + +DEFUN_NOSH (show_debugging, + show_debugging_isis_cmd, + "show debugging [" PROTO_NAME "]", + SHOW_STR + "State of each debugging option\n" + PROTO_HELP) +{ + vty_out(vty, PROTO_NAME " debugging status:\n"); + + if (IS_DEBUG_ADJ_PACKETS) + print_debug(vty, DEBUG_ADJ_PACKETS, 1); + if (IS_DEBUG_TX_QUEUE) + print_debug(vty, DEBUG_TX_QUEUE, 1); + if (IS_DEBUG_SNP_PACKETS) + print_debug(vty, DEBUG_SNP_PACKETS, 1); + if (IS_DEBUG_SPF_EVENTS) + print_debug(vty, DEBUG_SPF_EVENTS, 1); + if (IS_DEBUG_SR) + print_debug(vty, DEBUG_SR, 1); + if (IS_DEBUG_TE) + print_debug(vty, DEBUG_TE, 1); + if (IS_DEBUG_UPDATE_PACKETS) + print_debug(vty, DEBUG_UPDATE_PACKETS, 1); + if (IS_DEBUG_RTE_EVENTS) + print_debug(vty, DEBUG_RTE_EVENTS, 1); + if (IS_DEBUG_EVENTS) + print_debug(vty, DEBUG_EVENTS, 1); + if (IS_DEBUG_PACKET_DUMP) + print_debug(vty, DEBUG_PACKET_DUMP, 1); + if (IS_DEBUG_LSP_GEN) + print_debug(vty, DEBUG_LSP_GEN, 1); + if (IS_DEBUG_LSP_SCHED) + print_debug(vty, DEBUG_LSP_SCHED, 1); + if (IS_DEBUG_FLOODING) + print_debug(vty, DEBUG_FLOODING, 1); + if (IS_DEBUG_BFD) + print_debug(vty, DEBUG_BFD, 1); + if (IS_DEBUG_LDP_SYNC) + print_debug(vty, DEBUG_LDP_SYNC, 1); + if (IS_DEBUG_LFA) + print_debug(vty, DEBUG_LFA, 1); + + return CMD_SUCCESS; +} + +static int config_write_debug(struct vty *vty); +/* Debug node. */ +static struct cmd_node debug_node = { + .name = "debug", + .node = DEBUG_NODE, + .prompt = "", + .config_write = config_write_debug, +}; + +static int config_write_debug(struct vty *vty) +{ + int write = 0; + + if (IS_DEBUG_ADJ_PACKETS) { + vty_out(vty, "debug " PROTO_NAME " adj-packets\n"); + write++; + } + if (IS_DEBUG_TX_QUEUE) { + vty_out(vty, "debug " PROTO_NAME " tx-queue\n"); + write++; + } + if (IS_DEBUG_SNP_PACKETS) { + vty_out(vty, "debug " PROTO_NAME " snp-packets\n"); + write++; + } + if (IS_DEBUG_SPF_EVENTS) { + vty_out(vty, "debug " PROTO_NAME " spf-events\n"); + write++; + } + if (IS_DEBUG_SR) { + vty_out(vty, "debug " PROTO_NAME " sr-events\n"); + write++; + } + if (IS_DEBUG_TE) { + vty_out(vty, "debug " PROTO_NAME " te-events\n"); + write++; + } + if (IS_DEBUG_LFA) { + vty_out(vty, "debug " PROTO_NAME " lfa\n"); + write++; + } + if (IS_DEBUG_UPDATE_PACKETS) { + vty_out(vty, "debug " PROTO_NAME " update-packets\n"); + write++; + } + if (IS_DEBUG_RTE_EVENTS) { + vty_out(vty, "debug " PROTO_NAME " route-events\n"); + write++; + } + if (IS_DEBUG_EVENTS) { + vty_out(vty, "debug " PROTO_NAME " events\n"); + write++; + } + if (IS_DEBUG_PACKET_DUMP) { + vty_out(vty, "debug " PROTO_NAME " packet-dump\n"); + write++; + } + if (IS_DEBUG_LSP_GEN) { + vty_out(vty, "debug " PROTO_NAME " lsp-gen\n"); + write++; + } + if (IS_DEBUG_LSP_SCHED) { + vty_out(vty, "debug " PROTO_NAME " lsp-sched\n"); + write++; + } + if (IS_DEBUG_FLOODING) { + vty_out(vty, "debug " PROTO_NAME " flooding\n"); + write++; + } + if (IS_DEBUG_BFD) { + vty_out(vty, "debug " PROTO_NAME " bfd\n"); + write++; + } + if (IS_DEBUG_LDP_SYNC) { + vty_out(vty, "debug " PROTO_NAME " ldp-sync\n"); + write++; + } + write += spf_backoff_write_config(vty); + + return write; +} + +DEFUN (debug_isis_adj, + debug_isis_adj_cmd, + "debug " PROTO_NAME " adj-packets", + DEBUG_STR + PROTO_HELP + "IS-IS Adjacency related packets\n") +{ + debug_adj_pkt |= DEBUG_ADJ_PACKETS; + print_debug(vty, DEBUG_ADJ_PACKETS, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_adj, + no_debug_isis_adj_cmd, + "no debug " PROTO_NAME " adj-packets", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS Adjacency related packets\n") +{ + debug_adj_pkt &= ~DEBUG_ADJ_PACKETS; + print_debug(vty, DEBUG_ADJ_PACKETS, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_tx_queue, + debug_isis_tx_queue_cmd, + "debug " PROTO_NAME " tx-queue", + DEBUG_STR + PROTO_HELP + "IS-IS TX queues\n") +{ + debug_tx_queue |= DEBUG_TX_QUEUE; + print_debug(vty, DEBUG_TX_QUEUE, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_tx_queue, + no_debug_isis_tx_queue_cmd, + "no debug " PROTO_NAME " tx-queue", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS TX queues\n") +{ + debug_tx_queue &= ~DEBUG_TX_QUEUE; + print_debug(vty, DEBUG_TX_QUEUE, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_flooding, + debug_isis_flooding_cmd, + "debug " PROTO_NAME " flooding", + DEBUG_STR + PROTO_HELP + "Flooding algorithm\n") +{ + debug_flooding |= DEBUG_FLOODING; + print_debug(vty, DEBUG_FLOODING, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_flooding, + no_debug_isis_flooding_cmd, + "no debug " PROTO_NAME " flooding", + NO_STR + UNDEBUG_STR + PROTO_HELP + "Flooding algorithm\n") +{ + debug_flooding &= ~DEBUG_FLOODING; + print_debug(vty, DEBUG_FLOODING, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_snp, + debug_isis_snp_cmd, + "debug " PROTO_NAME " snp-packets", + DEBUG_STR + PROTO_HELP + "IS-IS CSNP/PSNP packets\n") +{ + debug_snp_pkt |= DEBUG_SNP_PACKETS; + print_debug(vty, DEBUG_SNP_PACKETS, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_snp, + no_debug_isis_snp_cmd, + "no debug " PROTO_NAME " snp-packets", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS CSNP/PSNP packets\n") +{ + debug_snp_pkt &= ~DEBUG_SNP_PACKETS; + print_debug(vty, DEBUG_SNP_PACKETS, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_upd, + debug_isis_upd_cmd, + "debug " PROTO_NAME " update-packets", + DEBUG_STR + PROTO_HELP + "IS-IS Update related packets\n") +{ + debug_update_pkt |= DEBUG_UPDATE_PACKETS; + print_debug(vty, DEBUG_UPDATE_PACKETS, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_upd, + no_debug_isis_upd_cmd, + "no debug " PROTO_NAME " update-packets", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS Update related packets\n") +{ + debug_update_pkt &= ~DEBUG_UPDATE_PACKETS; + print_debug(vty, DEBUG_UPDATE_PACKETS, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_spfevents, + debug_isis_spfevents_cmd, + "debug " PROTO_NAME " spf-events", + DEBUG_STR + PROTO_HELP + "IS-IS Shortest Path First Events\n") +{ + debug_spf_events |= DEBUG_SPF_EVENTS; + print_debug(vty, DEBUG_SPF_EVENTS, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_spfevents, + no_debug_isis_spfevents_cmd, + "no debug " PROTO_NAME " spf-events", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS Shortest Path First Events\n") +{ + debug_spf_events &= ~DEBUG_SPF_EVENTS; + print_debug(vty, DEBUG_SPF_EVENTS, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_srevents, + debug_isis_srevents_cmd, + "debug " PROTO_NAME " sr-events", + DEBUG_STR + PROTO_HELP + "IS-IS Segment Routing Events\n") +{ + debug_sr |= DEBUG_SR; + print_debug(vty, DEBUG_SR, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_srevents, + no_debug_isis_srevents_cmd, + "no debug " PROTO_NAME " sr-events", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS Segment Routing Events\n") +{ + debug_sr &= ~DEBUG_SR; + print_debug(vty, DEBUG_SR, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_teevents, + debug_isis_teevents_cmd, + "debug " PROTO_NAME " te-events", + DEBUG_STR + PROTO_HELP + "IS-IS Traffic Engineering Events\n") +{ + debug_te |= DEBUG_TE; + print_debug(vty, DEBUG_TE, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_teevents, + no_debug_isis_teevents_cmd, + "no debug " PROTO_NAME " te-events", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS Traffic Engineering Events\n") +{ + debug_te &= ~DEBUG_TE; + print_debug(vty, DEBUG_TE, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_lfa, + debug_isis_lfa_cmd, + "debug " PROTO_NAME " lfa", + DEBUG_STR + PROTO_HELP + "IS-IS LFA Events\n") +{ + debug_lfa |= DEBUG_LFA; + print_debug(vty, DEBUG_LFA, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_lfa, + no_debug_isis_lfa_cmd, + "no debug " PROTO_NAME " lfa", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS LFA Events\n") +{ + debug_lfa &= ~DEBUG_LFA; + print_debug(vty, DEBUG_LFA, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_rtevents, + debug_isis_rtevents_cmd, + "debug " PROTO_NAME " route-events", + DEBUG_STR + PROTO_HELP + "IS-IS Route related events\n") +{ + debug_rte_events |= DEBUG_RTE_EVENTS; + print_debug(vty, DEBUG_RTE_EVENTS, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_rtevents, + no_debug_isis_rtevents_cmd, + "no debug " PROTO_NAME " route-events", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS Route related events\n") +{ + debug_rte_events &= ~DEBUG_RTE_EVENTS; + print_debug(vty, DEBUG_RTE_EVENTS, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_events, + debug_isis_events_cmd, + "debug " PROTO_NAME " events", + DEBUG_STR + PROTO_HELP + "IS-IS Events\n") +{ + debug_events |= DEBUG_EVENTS; + print_debug(vty, DEBUG_EVENTS, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_events, + no_debug_isis_events_cmd, + "no debug " PROTO_NAME " events", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS Events\n") +{ + debug_events &= ~DEBUG_EVENTS; + print_debug(vty, DEBUG_EVENTS, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_packet_dump, + debug_isis_packet_dump_cmd, + "debug " PROTO_NAME " packet-dump", + DEBUG_STR + PROTO_HELP + "IS-IS packet dump\n") +{ + debug_pkt_dump |= DEBUG_PACKET_DUMP; + print_debug(vty, DEBUG_PACKET_DUMP, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_packet_dump, + no_debug_isis_packet_dump_cmd, + "no debug " PROTO_NAME " packet-dump", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS packet dump\n") +{ + debug_pkt_dump &= ~DEBUG_PACKET_DUMP; + print_debug(vty, DEBUG_PACKET_DUMP, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_lsp_gen, + debug_isis_lsp_gen_cmd, + "debug " PROTO_NAME " lsp-gen", + DEBUG_STR + PROTO_HELP + "IS-IS generation of own LSPs\n") +{ + debug_lsp_gen |= DEBUG_LSP_GEN; + print_debug(vty, DEBUG_LSP_GEN, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_lsp_gen, + no_debug_isis_lsp_gen_cmd, + "no debug " PROTO_NAME " lsp-gen", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS generation of own LSPs\n") +{ + debug_lsp_gen &= ~DEBUG_LSP_GEN; + print_debug(vty, DEBUG_LSP_GEN, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_lsp_sched, + debug_isis_lsp_sched_cmd, + "debug " PROTO_NAME " lsp-sched", + DEBUG_STR + PROTO_HELP + "IS-IS scheduling of LSP generation\n") +{ + debug_lsp_sched |= DEBUG_LSP_SCHED; + print_debug(vty, DEBUG_LSP_SCHED, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_lsp_sched, + no_debug_isis_lsp_sched_cmd, + "no debug " PROTO_NAME " lsp-sched", + NO_STR + UNDEBUG_STR + PROTO_HELP + "IS-IS scheduling of LSP generation\n") +{ + debug_lsp_sched &= ~DEBUG_LSP_SCHED; + print_debug(vty, DEBUG_LSP_SCHED, 0); + + return CMD_SUCCESS; +} + +DEFUN (debug_isis_bfd, + debug_isis_bfd_cmd, + "debug " PROTO_NAME " bfd", + DEBUG_STR + PROTO_HELP + PROTO_NAME " interaction with BFD\n") +{ + debug_bfd |= DEBUG_BFD; + bfd_protocol_integration_set_debug(true); + print_debug(vty, DEBUG_BFD, 1); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_isis_bfd, + no_debug_isis_bfd_cmd, + "no debug " PROTO_NAME " bfd", + NO_STR + UNDEBUG_STR + PROTO_HELP + PROTO_NAME " interaction with BFD\n") +{ + debug_bfd &= ~DEBUG_BFD; + bfd_protocol_integration_set_debug(false); + print_debug(vty, DEBUG_BFD, 0); + + return CMD_SUCCESS; +} + +DEFUN(debug_isis_ldp_sync, debug_isis_ldp_sync_cmd, + "debug " PROTO_NAME " ldp-sync", + DEBUG_STR PROTO_HELP PROTO_NAME " interaction with LDP-Sync\n") +{ + debug_ldp_sync |= DEBUG_LDP_SYNC; + print_debug(vty, DEBUG_LDP_SYNC, 1); + + return CMD_SUCCESS; +} + +DEFUN(no_debug_isis_ldp_sync, no_debug_isis_ldp_sync_cmd, + "no debug " PROTO_NAME " ldp-sync", + NO_STR UNDEBUG_STR PROTO_HELP PROTO_NAME " interaction with LDP-Sync\n") +{ + debug_ldp_sync &= ~DEBUG_LDP_SYNC; + print_debug(vty, DEBUG_LDP_SYNC, 0); + + return CMD_SUCCESS; +} + +DEFUN (show_hostname, + show_hostname_cmd, + "show " PROTO_NAME " [vrf <NAME|all>] hostname", + SHOW_STR PROTO_HELP VRF_CMD_HELP_STR + "All VRFs\n" + "IS-IS Dynamic hostname mapping\n") +{ + struct listnode *node; + const char *vrf_name = VRF_DEFAULT_NAME; + bool all_vrf = false; + int idx_vrf = 0; + struct isis *isis; + + ISIS_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf); + if (vrf_name) { + if (all_vrf) { + for (ALL_LIST_ELEMENTS_RO(im->isis, node, isis)) + dynhn_print_all(vty, isis); + + return CMD_SUCCESS; + } + isis = isis_lookup_by_vrfname(vrf_name); + if (isis != NULL) + dynhn_print_all(vty, isis); + } + + return CMD_SUCCESS; +} + +static void isis_spf_ietf_common(struct vty *vty, struct isis *isis) +{ + struct listnode *node; + struct isis_area *area; + for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) { + + vty_out(vty, "vrf : %s\n", isis->name); + vty_out(vty, "Area %s:\n", + area->area_tag ? area->area_tag : "null"); + + for (int level = ISIS_LEVEL1; level <= ISIS_LEVELS; level++) { + if ((area->is_type & level) == 0) + continue; + + vty_out(vty, " Level-%d:\n", level); + vty_out(vty, " SPF delay status: "); + if (area->spf_timer[level - 1]) { + struct timeval remain = thread_timer_remain( + area->spf_timer[level - 1]); + vty_out(vty, "Pending, due in %lld msec\n", + (long long)remain.tv_sec * 1000 + + remain.tv_usec / 1000); + } else { + vty_out(vty, "Not scheduled\n"); + } + + if (area->spf_delay_ietf[level - 1]) { + vty_out(vty, + " Using draft-ietf-rtgwg-backoff-algo-04\n"); + spf_backoff_show( + area->spf_delay_ietf[level - 1], vty, + " "); + } else { + vty_out(vty, " Using legacy backoff algo\n"); + } + } + } +} + +DEFUN(show_isis_spf_ietf, show_isis_spf_ietf_cmd, + "show " PROTO_NAME " [vrf <NAME|all>] spf-delay-ietf", + SHOW_STR PROTO_HELP VRF_CMD_HELP_STR + "All VRFs\n" + "SPF delay IETF information\n") +{ + struct listnode *node; + struct isis *isis; + int idx_vrf = 0; + const char *vrf_name = VRF_DEFAULT_NAME; + bool all_vrf = false; + + ISIS_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf) + + if (!im) { + vty_out(vty, "ISIS is not running\n"); + return CMD_SUCCESS; + } + + if (vrf_name) { + if (all_vrf) { + for (ALL_LIST_ELEMENTS_RO(im->isis, node, isis)) + isis_spf_ietf_common(vty, isis); + + return CMD_SUCCESS; + } + isis = isis_lookup_by_vrfname(vrf_name); + if (isis != NULL) + isis_spf_ietf_common(vty, isis); + } + + return CMD_SUCCESS; +} + + +static const char *pdu_counter_index_to_name_json(enum pdu_counter_index index) +{ + switch (index) { + case L1_LAN_HELLO_INDEX: + return "l1-iih"; + case L2_LAN_HELLO_INDEX: + return "l2-iih"; + case P2P_HELLO_INDEX: + return "p2p-iih"; + case L1_LINK_STATE_INDEX: + return "l1-lsp"; + case L2_LINK_STATE_INDEX: + return "l2-lsp"; + case FS_LINK_STATE_INDEX: + return "fs-lsp"; + case L1_COMPLETE_SEQ_NUM_INDEX: + return "l1-csnp"; + case L2_COMPLETE_SEQ_NUM_INDEX: + return "l2-csnp"; + case L1_PARTIAL_SEQ_NUM_INDEX: + return "l1-psnp"; + case L2_PARTIAL_SEQ_NUM_INDEX: + return "l2-psnp"; + default: + return "???????"; + } +} + +static void common_isis_summary_json(struct json_object *json, + struct isis *isis) +{ + int level; + json_object *areas_json, *area_json, *tx_pdu_json, *rx_pdu_json, + *levels_json, *level_json; + struct listnode *node, *node2; + struct isis_area *area; + time_t cur; + char uptime[MONOTIME_STRLEN]; + char stier[5]; + json_object_string_add(json, "vrf", isis->name); + json_object_int_add(json, "process-id", isis->process_id); + if (isis->sysid_set) + json_object_string_add(json, "system-id", + sysid_print(isis->sysid)); + + cur = time(NULL); + cur -= isis->uptime; + frrtime_to_interval(cur, uptime, sizeof(uptime)); + json_object_string_add(json, "up-time", uptime); + if (isis->area_list) + json_object_int_add(json, "number-areas", + isis->area_list->count); + areas_json = json_object_new_array(); + json_object_object_add(json, "areas", areas_json); + for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) { + area_json = json_object_new_object(); + json_object_string_add(area_json, "area", + area->area_tag ? area->area_tag + : "null"); + + + if (fabricd) { + uint8_t tier = fabricd_tier(area); + snprintfrr(stier, sizeof(stier), "%s", &tier); + json_object_string_add(area_json, "tier", + tier == ISIS_TIER_UNDEFINED + ? "undefined" + : stier); + } + + if (listcount(area->area_addrs) > 0) { + struct area_addr *area_addr; + for (ALL_LIST_ELEMENTS_RO(area->area_addrs, node2, + area_addr)) { + json_object_string_add( + area_json, "net", + isonet_print(area_addr->area_addr, + area_addr->addr_len + + ISIS_SYS_ID_LEN + + 1)); + } + } + + tx_pdu_json = json_object_new_object(); + json_object_object_add(area_json, "tx-pdu-type", tx_pdu_json); + for (int i = 0; i < PDU_COUNTER_SIZE; i++) { + if (!area->pdu_tx_counters[i]) + continue; + json_object_int_add(tx_pdu_json, + pdu_counter_index_to_name_json(i), + area->pdu_tx_counters[i]); + } + json_object_int_add(tx_pdu_json, "lsp-rxmt", + area->lsp_rxmt_count); + + rx_pdu_json = json_object_new_object(); + json_object_object_add(area_json, "rx-pdu-type", rx_pdu_json); + for (int i = 0; i < PDU_COUNTER_SIZE; i++) { + if (!area->pdu_rx_counters[i]) + continue; + json_object_int_add(rx_pdu_json, + pdu_counter_index_to_name_json(i), + area->pdu_rx_counters[i]); + } + + levels_json = json_object_new_array(); + json_object_object_add(area_json, "levels", levels_json); + for (level = ISIS_LEVEL1; level <= ISIS_LEVELS; level++) { + if ((area->is_type & level) == 0) + continue; + level_json = json_object_new_object(); + json_object_int_add(level_json, "id", level); + json_object_int_add(level_json, "lsp0-regenerated", + area->lsp_gen_count[level - 1]); + json_object_int_add(level_json, "lsp-purged", + area->lsp_purge_count[level - 1]); + if (area->spf_timer[level - 1]) + json_object_string_add(level_json, "spf", + "pending"); + else + json_object_string_add(level_json, "spf", + "no pending"); + json_object_int_add(level_json, "minimum-interval", + area->min_spf_interval[level - 1]); + if (area->spf_delay_ietf[level - 1]) + json_object_string_add( + level_json, "ietf-spf-delay-activated", + "not used"); + if (area->ip_circuits) { + isis_spf_print_json( + area->spftree[SPFTREE_IPV4][level - 1], + level_json); + } + if (area->ipv6_circuits) { + isis_spf_print_json( + area->spftree[SPFTREE_IPV6][level - 1], + level_json); + } + json_object_array_add(levels_json, level_json); + } + json_object_array_add(areas_json, area_json); + } +} + +static void common_isis_summary_vty(struct vty *vty, struct isis *isis) +{ + struct listnode *node, *node2; + struct isis_area *area; + int level; + + vty_out(vty, "vrf : %s\n", isis->name); + vty_out(vty, "Process Id : %ld\n", isis->process_id); + if (isis->sysid_set) + vty_out(vty, "System Id : %s\n", + sysid_print(isis->sysid)); + + vty_out(vty, "Up time : "); + vty_out_timestr(vty, isis->uptime); + vty_out(vty, "\n"); + + if (isis->area_list) + vty_out(vty, "Number of areas : %d\n", isis->area_list->count); + + for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) { + vty_out(vty, "Area %s:\n", + area->area_tag ? area->area_tag : "null"); + + if (fabricd) { + uint8_t tier = fabricd_tier(area); + if (tier == ISIS_TIER_UNDEFINED) + vty_out(vty, " Tier: undefined\n"); + else + vty_out(vty, " Tier: %hhu\n", tier); + } + + if (listcount(area->area_addrs) > 0) { + struct area_addr *area_addr; + for (ALL_LIST_ELEMENTS_RO(area->area_addrs, node2, + area_addr)) { + vty_out(vty, " Net: %s\n", + isonet_print(area_addr->area_addr, + area_addr->addr_len + + ISIS_SYS_ID_LEN + + 1)); + } + } + + vty_out(vty, " TX counters per PDU type:\n"); + pdu_counter_print(vty, " ", area->pdu_tx_counters); + vty_out(vty, " LSP RXMT: %" PRIu64 "\n", + area->lsp_rxmt_count); + vty_out(vty, " RX counters per PDU type:\n"); + pdu_counter_print(vty, " ", area->pdu_rx_counters); + + for (level = ISIS_LEVEL1; level <= ISIS_LEVELS; level++) { + if ((area->is_type & level) == 0) + continue; + + vty_out(vty, " Level-%d:\n", level); + + vty_out(vty, " LSP0 regenerated: %" PRIu64 "\n", + area->lsp_gen_count[level - 1]); + + vty_out(vty, " LSPs purged: %" PRIu64 "\n", + area->lsp_purge_count[level - 1]); + + if (area->spf_timer[level - 1]) + vty_out(vty, " SPF: (pending)\n"); + else + vty_out(vty, " SPF:\n"); + + vty_out(vty, " minimum interval : %d", + area->min_spf_interval[level - 1]); + if (area->spf_delay_ietf[level - 1]) + vty_out(vty, + " (not used, IETF SPF delay activated)"); + vty_out(vty, "\n"); + + if (area->ip_circuits) { + vty_out(vty, " IPv4 route computation:\n"); + isis_spf_print( + area->spftree[SPFTREE_IPV4][level - 1], + vty); + } + + if (area->ipv6_circuits) { + vty_out(vty, " IPv6 route computation:\n"); + isis_spf_print( + area->spftree[SPFTREE_IPV6][level - 1], + vty); + } + + if (area->ipv6_circuits + && isis_area_ipv6_dstsrc_enabled(area)) { + vty_out(vty, + " IPv6 dst-src route computation:\n"); + isis_spf_print(area->spftree[SPFTREE_DSTSRC] + [level - 1], + vty); + } + } + } +} + +static void common_isis_summary(struct vty *vty, struct json_object *json, + struct isis *isis) +{ + if (json) { + common_isis_summary_json(json, isis); + } else { + common_isis_summary_vty(vty, isis); + } +} + +DEFUN(show_isis_summary, show_isis_summary_cmd, + "show " PROTO_NAME " [vrf <NAME|all>] summary [json]", + SHOW_STR PROTO_HELP VRF_CMD_HELP_STR + "All VRFs\n" + "json output\n" + "summary\n") +{ + struct listnode *node; + int idx_vrf = 0; + struct isis *isis; + const char *vrf_name = VRF_DEFAULT_NAME; + bool all_vrf = false; + bool uj = use_json(argc, argv); + json_object *json = NULL; + + ISIS_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf) + if (!im) { + vty_out(vty, PROTO_NAME " is not running\n"); + return CMD_SUCCESS; + } + if (uj) + json = json_object_new_object(); + if (vrf_name) { + if (all_vrf) { + for (ALL_LIST_ELEMENTS_RO(im->isis, node, isis)) + common_isis_summary(vty, json, isis); + + return CMD_SUCCESS; + } + isis = isis_lookup_by_vrfname(vrf_name); + if (isis != NULL) + common_isis_summary(vty, json, isis); + } + + if (uj) + vty_json(vty, json); + + return CMD_SUCCESS; +} + +struct isis_lsp *lsp_for_sysid(struct lspdb_head *head, const char *sysid_str, + struct isis *isis) +{ + char sysid[255] = {0}; + uint8_t number[3] = {0}; + const char *pos; + uint8_t lspid[ISIS_SYS_ID_LEN + 2] = {0}; + struct isis_dynhn *dynhn; + struct isis_lsp *lsp = NULL; + + if (!sysid_str) + return NULL; + + /* + * extract fragment and pseudo id from the string sysid_str + * in the forms: + * (a) <systemid/hostname>.<pseudo-id>-<framenent> or + * (b) <systemid/hostname>.<pseudo-id> or + * (c) <systemid/hostname> or + * Where systemid is in the form: + * xxxx.xxxx.xxxx + */ + strlcpy(sysid, sysid_str, sizeof(sysid)); + + if (strlen(sysid_str) > 3) { + pos = sysid_str + strlen(sysid_str) - 3; + if (strncmp(pos, "-", 1) == 0) { + memcpy(number, ++pos, 2); + lspid[ISIS_SYS_ID_LEN + 1] = + (uint8_t)strtol((char *)number, NULL, 16); + pos -= 4; + if (strncmp(pos, ".", 1) != 0) + return NULL; + } + if (strncmp(pos, ".", 1) == 0) { + memcpy(number, ++pos, 2); + lspid[ISIS_SYS_ID_LEN] = + (uint8_t)strtol((char *)number, NULL, 16); + sysid[pos - sysid_str - 1] = '\0'; + } + } + + /* + * Try to find the lsp-id if the sysid_str + * is in the form + * hostname.<pseudo-id>-<fragment> + */ + if (sysid2buff(lspid, sysid)) { + lsp = lsp_search(head, lspid); + } else if ((dynhn = dynhn_find_by_name(isis, sysid))) { + memcpy(lspid, dynhn->id, ISIS_SYS_ID_LEN); + lsp = lsp_search(head, lspid); + } else if (strncmp(cmd_hostname_get(), sysid, 15) == 0) { + memcpy(lspid, isis->sysid, ISIS_SYS_ID_LEN); + lsp = lsp_search(head, lspid); + } + + return lsp; +} + +void show_isis_database_lspdb_json(struct json_object *json, + struct isis_area *area, int level, + struct lspdb_head *lspdb, + const char *sysid_str, int ui_level) +{ + struct isis_lsp *lsp; + int lsp_count; + + if (lspdb_count(lspdb) > 0) { + lsp = lsp_for_sysid(lspdb, sysid_str, area->isis); + + if (lsp != NULL || sysid_str == NULL) { + json_object_int_add(json, "id", level + 1); + } + + if (lsp) { + if (ui_level == ISIS_UI_LEVEL_DETAIL) + lsp_print_detail(lsp, NULL, json, + area->dynhostname, area->isis); + else + lsp_print_json(lsp, json, area->dynhostname, + area->isis); + } else if (sysid_str == NULL) { + lsp_count = + lsp_print_all(NULL, json, lspdb, ui_level, + area->dynhostname, area->isis); + + json_object_int_add(json, "count", lsp_count); + } + } +} +void show_isis_database_lspdb_vty(struct vty *vty, struct isis_area *area, + int level, struct lspdb_head *lspdb, + const char *sysid_str, int ui_level) +{ + struct isis_lsp *lsp; + int lsp_count; + + if (lspdb_count(lspdb) > 0) { + lsp = lsp_for_sysid(lspdb, sysid_str, area->isis); + + if (lsp != NULL || sysid_str == NULL) { + vty_out(vty, "IS-IS Level-%d link-state database:\n", + level + 1); + + /* print the title in all cases */ + vty_out(vty, + "LSP ID PduLen SeqNumber Chksum Holdtime ATT/P/OL\n"); + } + + if (lsp) { + if (ui_level == ISIS_UI_LEVEL_DETAIL) + lsp_print_detail(lsp, vty, NULL, + area->dynhostname, area->isis); + else + lsp_print_vty(lsp, vty, area->dynhostname, + area->isis); + } else if (sysid_str == NULL) { + lsp_count = + lsp_print_all(vty, NULL, lspdb, ui_level, + area->dynhostname, area->isis); + + vty_out(vty, " %u LSPs\n\n", lsp_count); + } + } +} + +static void show_isis_database_json(struct json_object *json, const char *sysid_str, + int ui_level, struct isis *isis) +{ + struct listnode *node; + struct isis_area *area; + int level; + struct json_object *tag_area_json,*area_json, *lsp_json, *area_arr_json, *arr_json; + uint8_t area_cnt = 0; + + if (isis->area_list->count == 0) + return; + + area_arr_json = json_object_new_array(); + json_object_object_add(json, "areas", area_arr_json); + for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) { + area_json = json_object_new_object(); + tag_area_json = json_object_new_object(); + json_object_string_add(tag_area_json, "name", + area->area_tag ? area->area_tag + : "null"); + + arr_json = json_object_new_array(); + json_object_object_add(area_json,"area",tag_area_json); + json_object_object_add(area_json,"levels",arr_json); + for (level = 0; level < ISIS_LEVELS; level++) { + lsp_json = json_object_new_object(); + show_isis_database_lspdb_json(lsp_json, area, level, + &area->lspdb[level], + sysid_str, ui_level); + json_object_array_add(arr_json, lsp_json); + } + json_object_array_add(area_arr_json, area_json); + area_cnt++; + } +} + +static void show_isis_database_vty(struct vty *vty, const char *sysid_str, + int ui_level, struct isis *isis) +{ + struct listnode *node; + struct isis_area *area; + int level; + + if (isis->area_list->count == 0) + return; + + for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) { + vty_out(vty, "Area %s:\n", + area->area_tag ? area->area_tag : "null"); + + for (level = 0; level < ISIS_LEVELS; level++) + show_isis_database_lspdb_vty(vty, area, level, + &area->lspdb[level], sysid_str, + ui_level); + } +} + +static void show_isis_database_common(struct vty *vty, struct json_object *json, const char *sysid_str, + int ui_level, struct isis *isis) +{ + if (json) { + show_isis_database_json(json, sysid_str, ui_level, isis); + } else { + show_isis_database_vty(vty, sysid_str, ui_level, isis); + } +} + +/* + * This function supports following display options: + * [ show isis database [detail] ] + * [ show isis database <sysid> [detail] ] + * [ show isis database <hostname> [detail] ] + * [ show isis database <sysid>.<pseudo-id> [detail] ] + * [ show isis database <hostname>.<pseudo-id> [detail] ] + * [ show isis database <sysid>.<pseudo-id>-<fragment-number> [detail] ] + * [ show isis database <hostname>.<pseudo-id>-<fragment-number> [detail] ] + * [ show isis database detail <sysid> ] + * [ show isis database detail <hostname> ] + * [ show isis database detail <sysid>.<pseudo-id> ] + * [ show isis database detail <hostname>.<pseudo-id> ] + * [ show isis database detail <sysid>.<pseudo-id>-<fragment-number> ] + * [ show isis database detail <hostname>.<pseudo-id>-<fragment-number> ] + */ +static int show_isis_database(struct vty *vty, struct json_object *json, const char *sysid_str, + int ui_level, const char *vrf_name, bool all_vrf) +{ + struct listnode *node; + struct isis *isis; + + if (vrf_name) { + if (all_vrf) { + for (ALL_LIST_ELEMENTS_RO(im->isis, node, isis)) + show_isis_database_common(vty, json, sysid_str, + ui_level, isis); + + return CMD_SUCCESS; + } + isis = isis_lookup_by_vrfname(vrf_name); + if (isis) + show_isis_database_common(vty, json, sysid_str, + ui_level, isis); + } + + return CMD_SUCCESS; +} + +DEFUN(show_database, show_database_cmd, + "show " PROTO_NAME " [vrf <NAME|all>] database [detail] [WORD] [json]", + SHOW_STR PROTO_HELP VRF_CMD_HELP_STR + "All VRFs\n" + "Link state database\n" + "Detailed information\n" + "LSP ID\n" + "json output\n") +{ + int res = CMD_SUCCESS; + int idx = 0; + int idx_vrf = 0; + const char *vrf_name = VRF_DEFAULT_NAME; + bool all_vrf = false; + int uilevel = argv_find(argv, argc, "detail", &idx) + ? ISIS_UI_LEVEL_DETAIL + : ISIS_UI_LEVEL_BRIEF; + char *id = argv_find(argv, argc, "WORD", &idx) ? argv[idx]->arg : NULL; + bool uj = use_json(argc, argv); + json_object *json = NULL; + + ISIS_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf); + if (uj) + json = json_object_new_object(); + + res = show_isis_database(vty, json, id, uilevel, vrf_name, all_vrf); + if (uj) + vty_json(vty, json); + return res; +} + +#ifdef FABRICD +/* + * 'router openfabric' command + */ +DEFUN_NOSH (router_openfabric, + router_openfabric_cmd, + "router openfabric WORD", + ROUTER_STR + PROTO_HELP + "ISO Routing area tag\n") +{ + int idx_word = 2; + return isis_area_get(vty, argv[idx_word]->arg); +} + +/* + *'no router openfabric' command + */ +DEFUN (no_router_openfabric, + no_router_openfabric_cmd, + "no router openfabric WORD", + NO_STR + ROUTER_STR + PROTO_HELP + "ISO Routing area tag\n") +{ + struct isis_area *area; + const char *area_tag; + int idx_word = 3; + + area_tag = argv[idx_word]->arg; + area = isis_area_lookup(area_tag, VRF_DEFAULT); + if (area == NULL) { + zlog_warn("%s: could not find area with area-tag %s", + __func__, area_tag); + return CMD_ERR_NO_MATCH; + } + + isis_area_destroy(area); + return CMD_SUCCESS; +} +#endif /* ifdef FABRICD */ +#ifdef FABRICD +/* + * 'net' command + */ +DEFUN (net, + net_cmd, + "net WORD", + "A Network Entity Title for this process (OSI only)\n" + "XX.XXXX. ... .XXX.XX Network entity title (NET)\n") +{ + int idx_word = 1; + return area_net_title(vty, argv[idx_word]->arg); +} + +/* + * 'no net' command + */ +DEFUN (no_net, + no_net_cmd, + "no net WORD", + NO_STR + "A Network Entity Title for this process (OSI only)\n" + "XX.XXXX. ... .XXX.XX Network entity title (NET)\n") +{ + int idx_word = 2; + return area_clear_net_title(vty, argv[idx_word]->arg); +} +#endif /* ifdef FABRICD */ +#ifdef FABRICD +DEFUN (isis_topology, + isis_topology_cmd, + "topology " ISIS_MT_NAMES " [overload]", + "Configure IS-IS topologies\n" + ISIS_MT_DESCRIPTIONS + "Set overload bit for topology\n") +{ + VTY_DECLVAR_CONTEXT(isis_area, area); + + const char *arg = argv[1]->arg; + uint16_t mtid = isis_str2mtid(arg); + + if (area->oldmetric) { + vty_out(vty, + "Multi topology IS-IS can only be used with wide metrics\n"); + return CMD_WARNING_CONFIG_FAILED; + } + + if (mtid == (uint16_t)-1) { + vty_out(vty, "Don't know topology '%s'\n", arg); + return CMD_WARNING_CONFIG_FAILED; + } + if (mtid == ISIS_MT_IPV4_UNICAST) { + vty_out(vty, "Cannot configure IPv4 unicast topology\n"); + return CMD_WARNING_CONFIG_FAILED; + } + + area_set_mt_enabled(area, mtid, true); + area_set_mt_overload(area, mtid, (argc == 3)); + return CMD_SUCCESS; +} + +DEFUN (no_isis_topology, + no_isis_topology_cmd, + "no topology " ISIS_MT_NAMES " [overload]", + NO_STR + "Configure IS-IS topologies\n" + ISIS_MT_DESCRIPTIONS + "Set overload bit for topology\n") +{ + VTY_DECLVAR_CONTEXT(isis_area, area); + + const char *arg = argv[2]->arg; + uint16_t mtid = isis_str2mtid(arg); + + if (area->oldmetric) { + vty_out(vty, + "Multi topology IS-IS can only be used with wide metrics\n"); + return CMD_WARNING_CONFIG_FAILED; + } + + if (mtid == (uint16_t)-1) { + vty_out(vty, "Don't know topology '%s'\n", arg); + return CMD_WARNING_CONFIG_FAILED; + } + if (mtid == ISIS_MT_IPV4_UNICAST) { + vty_out(vty, "Cannot configure IPv4 unicast topology\n"); + return CMD_WARNING_CONFIG_FAILED; + } + + area_set_mt_enabled(area, mtid, false); + area_set_mt_overload(area, mtid, false); + return CMD_SUCCESS; +} +#endif /* ifdef FABRICD */ + +void isis_area_lsp_mtu_set(struct isis_area *area, unsigned int lsp_mtu) +{ + area->lsp_mtu = lsp_mtu; + lsp_regenerate_schedule(area, IS_LEVEL_1_AND_2, 1); +} + +static int isis_area_passwd_set(struct isis_area *area, int level, + uint8_t passwd_type, const char *passwd, + uint8_t snp_auth) +{ + struct isis_passwd *dest; + struct isis_passwd modified; + int len; + + assert((level == IS_LEVEL_1) || (level == IS_LEVEL_2)); + dest = (level == IS_LEVEL_1) ? &area->area_passwd + : &area->domain_passwd; + memset(&modified, 0, sizeof(modified)); + + if (passwd_type != ISIS_PASSWD_TYPE_UNUSED) { + if (!passwd) + return -1; + + len = strlen(passwd); + if (len > 254) + return -1; + + modified.len = len; + strlcpy((char *)modified.passwd, passwd, + sizeof(modified.passwd)); + modified.type = passwd_type; + modified.snp_auth = snp_auth; + } + + if (memcmp(&modified, dest, sizeof(modified))) { + memcpy(dest, &modified, sizeof(modified)); + lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1); + } + + return 0; +} + +int isis_area_passwd_unset(struct isis_area *area, int level) +{ + return isis_area_passwd_set(area, level, ISIS_PASSWD_TYPE_UNUSED, NULL, + 0); +} + +int isis_area_passwd_cleartext_set(struct isis_area *area, int level, + const char *passwd, uint8_t snp_auth) +{ + return isis_area_passwd_set(area, level, ISIS_PASSWD_TYPE_CLEARTXT, + passwd, snp_auth); +} + +int isis_area_passwd_hmac_md5_set(struct isis_area *area, int level, + const char *passwd, uint8_t snp_auth) +{ + return isis_area_passwd_set(area, level, ISIS_PASSWD_TYPE_HMAC_MD5, + passwd, snp_auth); +} + +void isis_area_invalidate_routes(struct isis_area *area, int levels) +{ + for (int level = ISIS_LEVEL1; level <= ISIS_LEVEL2; level++) { + if (!(level & levels)) + continue; + for (int tree = SPFTREE_IPV4; tree < SPFTREE_COUNT; tree++) { + isis_spf_invalidate_routes( + area->spftree[tree][level - 1]); + } + } +} + +void isis_area_verify_routes(struct isis_area *area) +{ + for (int tree = SPFTREE_IPV4; tree < SPFTREE_COUNT; tree++) + isis_spf_verify_routes(area, area->spftree[tree]); +} + +static void area_resign_level(struct isis_area *area, int level) +{ + isis_area_invalidate_routes(area, level); + isis_area_verify_routes(area); + + lsp_db_fini(&area->lspdb[level - 1]); + + for (int tree = SPFTREE_IPV4; tree < SPFTREE_COUNT; tree++) { + if (area->spftree[tree][level - 1]) { + isis_spftree_del(area->spftree[tree][level - 1]); + area->spftree[tree][level - 1] = NULL; + } + } + + if (area->spf_timer[level - 1]) + isis_spf_timer_free(THREAD_ARG(area->spf_timer[level - 1])); + + THREAD_OFF(area->spf_timer[level - 1]); + + sched_debug( + "ISIS (%s): Resigned from L%d - canceling LSP regeneration timer.", + area->area_tag, level); + THREAD_OFF(area->t_lsp_refresh[level - 1]); + area->lsp_regenerate_pending[level - 1] = 0; +} + +void isis_area_is_type_set(struct isis_area *area, int is_type) +{ + struct listnode *node; + struct isis_circuit *circuit; + + if (IS_DEBUG_EVENTS) + zlog_debug("ISIS-Evt (%s) system type change %s -> %s", + area->area_tag, circuit_t2string(area->is_type), + circuit_t2string(is_type)); + + if (area->is_type == is_type) + return; /* No change */ + + switch (area->is_type) { + case IS_LEVEL_1: + if (is_type == IS_LEVEL_2) + area_resign_level(area, IS_LEVEL_1); + + lsp_db_init(&area->lspdb[1]); + break; + + case IS_LEVEL_1_AND_2: + if (is_type == IS_LEVEL_1) + area_resign_level(area, IS_LEVEL_2); + else + area_resign_level(area, IS_LEVEL_1); + break; + + case IS_LEVEL_2: + if (is_type == IS_LEVEL_1) + area_resign_level(area, IS_LEVEL_2); + + lsp_db_init(&area->lspdb[0]); + break; + + default: + break; + } + + area->is_type = is_type; + + /* + * If area's IS type is strict Level-1 or Level-2, override circuit's + * IS type. Otherwise use circuit's configured IS type. + */ + if (area->is_type != IS_LEVEL_1_AND_2) { + for (ALL_LIST_ELEMENTS_RO(area->circuit_list, node, circuit)) + isis_circuit_is_type_set(circuit, is_type); + } else { + for (ALL_LIST_ELEMENTS_RO(area->circuit_list, node, circuit)) + isis_circuit_is_type_set(circuit, circuit->is_type_config); + } + + spftree_area_init(area); + + if (listcount(area->area_addrs) > 0) { + if (is_type & IS_LEVEL_1) + lsp_generate(area, IS_LEVEL_1); + if (is_type & IS_LEVEL_2) + lsp_generate(area, IS_LEVEL_2); + } + lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1); + + return; +} + +void isis_area_metricstyle_set(struct isis_area *area, bool old_metric, + bool new_metric) +{ + area->oldmetric = old_metric; + area->newmetric = new_metric; + lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1); +} + +void isis_area_overload_bit_set(struct isis_area *area, bool overload_bit) +{ + char new_overload_bit = overload_bit ? LSPBIT_OL : 0; + + if (new_overload_bit != area->overload_bit) { + area->overload_bit = new_overload_bit; + + if (new_overload_bit) + area->overload_counter++; + +#ifndef FABRICD + hook_call(isis_hook_db_overload, area); +#endif /* ifndef FABRICD */ + + lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1); + } +#ifndef FABRICD + isis_notif_db_overload(area, overload_bit); +#endif /* ifndef FABRICD */ +} + +void isis_area_attached_bit_send_set(struct isis_area *area, bool attached_bit) +{ + + if (attached_bit != area->attached_bit_send) { + area->attached_bit_send = attached_bit; + lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1); + } +} + +void isis_area_attached_bit_receive_set(struct isis_area *area, + bool attached_bit) +{ + + if (attached_bit != area->attached_bit_rcv_ignore) { + area->attached_bit_rcv_ignore = attached_bit; + lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 1); + } +} + +void isis_area_dynhostname_set(struct isis_area *area, bool dynhostname) +{ + if (area->dynhostname != dynhostname) { + area->dynhostname = dynhostname; + lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 0); + } +} + +void isis_area_max_lsp_lifetime_set(struct isis_area *area, int level, + uint16_t max_lsp_lifetime) +{ + assert((level == IS_LEVEL_1) || (level == IS_LEVEL_2)); + + if (area->max_lsp_lifetime[level - 1] == max_lsp_lifetime) + return; + + area->max_lsp_lifetime[level - 1] = max_lsp_lifetime; + lsp_regenerate_schedule(area, level, 1); +} + +void isis_area_lsp_refresh_set(struct isis_area *area, int level, + uint16_t lsp_refresh) +{ + assert((level == IS_LEVEL_1) || (level == IS_LEVEL_2)); + + if (area->lsp_refresh[level - 1] == lsp_refresh) + return; + + area->lsp_refresh[level - 1] = lsp_refresh; + lsp_regenerate_schedule(area, level, 1); +} + +#ifdef FABRICD +DEFUN (log_adj_changes, + log_adj_changes_cmd, + "log-adjacency-changes", + "Log changes in adjacency state\n") +{ + VTY_DECLVAR_CONTEXT(isis_area, area); + + area->log_adj_changes = 1; + + return CMD_SUCCESS; +} + +DEFUN (no_log_adj_changes, + no_log_adj_changes_cmd, + "no log-adjacency-changes", + NO_STR + "Stop logging changes in adjacency state\n") +{ + VTY_DECLVAR_CONTEXT(isis_area, area); + + area->log_adj_changes = 0; + + return CMD_SUCCESS; +} +#endif /* ifdef FABRICD */ +#ifdef FABRICD +/* IS-IS configuration write function */ +static int isis_config_write(struct vty *vty) +{ + int write = 0; + struct isis_area *area; + struct listnode *node, *node2, *inode; + struct isis *isis; + + if (!im) { + vty_out(vty, "IS-IS Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + for (ALL_LIST_ELEMENTS_RO(im->isis, inode, isis)) { + for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) { + /* ISIS - Area name */ + vty_out(vty, "router " PROTO_NAME " %s\n", area->area_tag); + write++; + /* ISIS - Net */ + if (listcount(area->area_addrs) > 0) { + struct area_addr *area_addr; + for (ALL_LIST_ELEMENTS_RO(area->area_addrs, + node2, area_addr)) { + vty_out(vty, " net %s\n", + isonet_print( + area_addr->area_addr, + area_addr->addr_len + + ISIS_SYS_ID_LEN + + 1)); + write++; + } + } + /* ISIS - Dynamic hostname - Defaults to true so only + * display if + * false. */ + if (!area->dynhostname) { + vty_out(vty, " no hostname dynamic\n"); + write++; + } + /* ISIS - Metric-Style - when true displays wide */ + if (!fabricd) { + if (area->newmetric) { + if (!area->oldmetric) + vty_out(vty, " metric-style wide\n"); + else + vty_out(vty, + " metric-style transition\n"); + write++; + } else { + vty_out(vty, " metric-style narrow\n"); + write++; + } + } + /* ISIS - overload-bit */ + if (area->overload_bit) { + vty_out(vty, " set-overload-bit\n"); + write++; + } + /* ISIS - Area is-type (level-1-2 is default) */ + if (!fabricd) { + if (area->is_type == IS_LEVEL_1) { + vty_out(vty, " is-type level-1\n"); + write++; + } else if (area->is_type == IS_LEVEL_2) { + vty_out(vty, " is-type level-2-only\n"); + write++; + } + } + write += isis_redist_config_write(vty, area, AF_INET); + write += isis_redist_config_write(vty, area, AF_INET6); + /* ISIS - Lsp generation interval */ + if (area->lsp_gen_interval[0] + == area->lsp_gen_interval[1]) { + if (area->lsp_gen_interval[0] + != DEFAULT_MIN_LSP_GEN_INTERVAL) { + vty_out(vty, " lsp-gen-interval %d\n", + area->lsp_gen_interval[0]); + write++; + } + } else { + if (area->lsp_gen_interval[0] + != DEFAULT_MIN_LSP_GEN_INTERVAL) { + vty_out(vty, + " lsp-gen-interval level-1 %d\n", + area->lsp_gen_interval[0]); + write++; + } + if (area->lsp_gen_interval[1] + != DEFAULT_MIN_LSP_GEN_INTERVAL) { + vty_out(vty, + " lsp-gen-interval level-2 %d\n", + area->lsp_gen_interval[1]); + write++; + } + } + /* ISIS - LSP lifetime */ + if (area->max_lsp_lifetime[0] + == area->max_lsp_lifetime[1]) { + if (area->max_lsp_lifetime[0] + != DEFAULT_LSP_LIFETIME) { + vty_out(vty, " max-lsp-lifetime %u\n", + area->max_lsp_lifetime[0]); + write++; + } + } else { + if (area->max_lsp_lifetime[0] + != DEFAULT_LSP_LIFETIME) { + vty_out(vty, + " max-lsp-lifetime level-1 %u\n", + area->max_lsp_lifetime[0]); + write++; + } + if (area->max_lsp_lifetime[1] + != DEFAULT_LSP_LIFETIME) { + vty_out(vty, + " max-lsp-lifetime level-2 %u\n", + area->max_lsp_lifetime[1]); + write++; + } + } + /* ISIS - LSP refresh interval */ + if (area->lsp_refresh[0] == area->lsp_refresh[1]) { + if (area->lsp_refresh[0] + != DEFAULT_MAX_LSP_GEN_INTERVAL) { + vty_out(vty, + " lsp-refresh-interval %u\n", + area->lsp_refresh[0]); + write++; + } + } else { + if (area->lsp_refresh[0] + != DEFAULT_MAX_LSP_GEN_INTERVAL) { + vty_out(vty, + " lsp-refresh-interval level-1 %u\n", + area->lsp_refresh[0]); + write++; + } + if (area->lsp_refresh[1] + != DEFAULT_MAX_LSP_GEN_INTERVAL) { + vty_out(vty, + " lsp-refresh-interval level-2 %u\n", + area->lsp_refresh[1]); + write++; + } + } + if (area->lsp_mtu != DEFAULT_LSP_MTU) { + vty_out(vty, " lsp-mtu %u\n", area->lsp_mtu); + write++; + } + if (area->purge_originator) { + vty_out(vty, " purge-originator\n"); + write++; + } + + /* Minimum SPF interval. */ + if (area->min_spf_interval[0] + == area->min_spf_interval[1]) { + if (area->min_spf_interval[0] + != MINIMUM_SPF_INTERVAL) { + vty_out(vty, " spf-interval %d\n", + area->min_spf_interval[0]); + write++; + } + } else { + if (area->min_spf_interval[0] + != MINIMUM_SPF_INTERVAL) { + vty_out(vty, + " spf-interval level-1 %d\n", + area->min_spf_interval[0]); + write++; + } + if (area->min_spf_interval[1] + != MINIMUM_SPF_INTERVAL) { + vty_out(vty, + " spf-interval level-2 %d\n", + area->min_spf_interval[1]); + write++; + } + } + + /* IETF SPF interval */ + if (area->spf_delay_ietf[0]) { + vty_out(vty, + " spf-delay-ietf init-delay %ld short-delay %ld long-delay %ld holddown %ld time-to-learn %ld\n", + spf_backoff_init_delay( + area->spf_delay_ietf[0]), + spf_backoff_short_delay( + area->spf_delay_ietf[0]), + spf_backoff_long_delay( + area->spf_delay_ietf[0]), + spf_backoff_holddown( + area->spf_delay_ietf[0]), + spf_backoff_timetolearn( + area->spf_delay_ietf[0])); + write++; + } + + /* Authentication passwords. */ + if (area->area_passwd.type + == ISIS_PASSWD_TYPE_HMAC_MD5) { + vty_out(vty, " area-password md5 %s", + area->area_passwd.passwd); + if (CHECK_FLAG(area->area_passwd.snp_auth, + SNP_AUTH_SEND)) { + vty_out(vty, " authenticate snp "); + if (CHECK_FLAG( + area->area_passwd.snp_auth, + SNP_AUTH_RECV)) + vty_out(vty, "validate"); + else + vty_out(vty, "send-only"); + } + vty_out(vty, "\n"); + write++; + } else if (area->area_passwd.type + == ISIS_PASSWD_TYPE_CLEARTXT) { + vty_out(vty, " area-password clear %s", + area->area_passwd.passwd); + if (CHECK_FLAG(area->area_passwd.snp_auth, + SNP_AUTH_SEND)) { + vty_out(vty, " authenticate snp "); + if (CHECK_FLAG( + area->area_passwd.snp_auth, + SNP_AUTH_RECV)) + vty_out(vty, "validate"); + else + vty_out(vty, "send-only"); + } + vty_out(vty, "\n"); + write++; + } + if (area->domain_passwd.type + == ISIS_PASSWD_TYPE_HMAC_MD5) { + vty_out(vty, " domain-password md5 %s", + area->domain_passwd.passwd); + if (CHECK_FLAG(area->domain_passwd.snp_auth, + SNP_AUTH_SEND)) { + vty_out(vty, " authenticate snp "); + if (CHECK_FLAG(area->domain_passwd + .snp_auth, + SNP_AUTH_RECV)) + vty_out(vty, "validate"); + else + vty_out(vty, "send-only"); + } + vty_out(vty, "\n"); + write++; + } else if (area->domain_passwd.type + == ISIS_PASSWD_TYPE_CLEARTXT) { + vty_out(vty, " domain-password clear %s", + area->domain_passwd.passwd); + if (CHECK_FLAG(area->domain_passwd.snp_auth, + SNP_AUTH_SEND)) { + vty_out(vty, " authenticate snp "); + if (CHECK_FLAG(area->domain_passwd + .snp_auth, + SNP_AUTH_RECV)) + vty_out(vty, "validate"); + else + vty_out(vty, "send-only"); + } + vty_out(vty, "\n"); + write++; + } + + if (area->log_adj_changes) { + vty_out(vty, " log-adjacency-changes\n"); + write++; + } + + write += area_write_mt_settings(area, vty); + write += fabricd_write_settings(area, vty); + + vty_out(vty, "exit\n"); + } + } + + return write; +} + +struct cmd_node router_node = { + .name = "openfabric", + .node = OPENFABRIC_NODE, + .parent_node = CONFIG_NODE, + .prompt = "%s(config-router)# ", + .config_write = isis_config_write, +}; +#else +/* IS-IS configuration write function */ +static int isis_config_write(struct vty *vty) +{ + int write = 0; + struct lyd_node *dnode; + + dnode = yang_dnode_get(running_config->dnode, "/frr-isisd:isis"); + if (dnode) { + nb_cli_show_dnode_cmds(vty, dnode, false); + write++; + } + + return write; +} + +struct cmd_node router_node = { + .name = "isis", + .node = ISIS_NODE, + .parent_node = CONFIG_NODE, + .prompt = "%s(config-router)# ", + .config_write = isis_config_write, +}; +#endif /* ifdef FABRICD */ + +void isis_init(void) +{ + /* Install IS-IS top node */ + install_node(&router_node); + + install_element(VIEW_NODE, &show_isis_summary_cmd); + + install_element(VIEW_NODE, &show_isis_spf_ietf_cmd); + + install_element(VIEW_NODE, &show_isis_interface_cmd); + install_element(VIEW_NODE, &show_isis_interface_detail_cmd); + install_element(VIEW_NODE, &show_isis_interface_arg_cmd); + + install_element(VIEW_NODE, &show_isis_neighbor_cmd); + install_element(VIEW_NODE, &show_isis_neighbor_detail_cmd); + install_element(VIEW_NODE, &show_isis_neighbor_arg_cmd); + install_element(ENABLE_NODE, &clear_isis_neighbor_cmd); + install_element(ENABLE_NODE, &clear_isis_neighbor_arg_cmd); + + install_element(VIEW_NODE, &show_hostname_cmd); + install_element(VIEW_NODE, &show_database_cmd); + + install_element(ENABLE_NODE, &show_debugging_isis_cmd); + + install_node(&debug_node); + + install_element(ENABLE_NODE, &debug_isis_adj_cmd); + install_element(ENABLE_NODE, &no_debug_isis_adj_cmd); + install_element(ENABLE_NODE, &debug_isis_tx_queue_cmd); + install_element(ENABLE_NODE, &no_debug_isis_tx_queue_cmd); + install_element(ENABLE_NODE, &debug_isis_flooding_cmd); + install_element(ENABLE_NODE, &no_debug_isis_flooding_cmd); + install_element(ENABLE_NODE, &debug_isis_snp_cmd); + install_element(ENABLE_NODE, &no_debug_isis_snp_cmd); + install_element(ENABLE_NODE, &debug_isis_upd_cmd); + install_element(ENABLE_NODE, &no_debug_isis_upd_cmd); + install_element(ENABLE_NODE, &debug_isis_spfevents_cmd); + install_element(ENABLE_NODE, &no_debug_isis_spfevents_cmd); + install_element(ENABLE_NODE, &debug_isis_srevents_cmd); + install_element(ENABLE_NODE, &no_debug_isis_srevents_cmd); + install_element(ENABLE_NODE, &debug_isis_teevents_cmd); + install_element(ENABLE_NODE, &no_debug_isis_teevents_cmd); + install_element(ENABLE_NODE, &debug_isis_lfa_cmd); + install_element(ENABLE_NODE, &no_debug_isis_lfa_cmd); + install_element(ENABLE_NODE, &debug_isis_rtevents_cmd); + install_element(ENABLE_NODE, &no_debug_isis_rtevents_cmd); + install_element(ENABLE_NODE, &debug_isis_events_cmd); + install_element(ENABLE_NODE, &no_debug_isis_events_cmd); + install_element(ENABLE_NODE, &debug_isis_packet_dump_cmd); + install_element(ENABLE_NODE, &no_debug_isis_packet_dump_cmd); + install_element(ENABLE_NODE, &debug_isis_lsp_gen_cmd); + install_element(ENABLE_NODE, &no_debug_isis_lsp_gen_cmd); + install_element(ENABLE_NODE, &debug_isis_lsp_sched_cmd); + install_element(ENABLE_NODE, &no_debug_isis_lsp_sched_cmd); + install_element(ENABLE_NODE, &debug_isis_bfd_cmd); + install_element(ENABLE_NODE, &no_debug_isis_bfd_cmd); + install_element(ENABLE_NODE, &debug_isis_ldp_sync_cmd); + install_element(ENABLE_NODE, &no_debug_isis_ldp_sync_cmd); + + install_element(CONFIG_NODE, &debug_isis_adj_cmd); + install_element(CONFIG_NODE, &no_debug_isis_adj_cmd); + install_element(CONFIG_NODE, &debug_isis_tx_queue_cmd); + install_element(CONFIG_NODE, &no_debug_isis_tx_queue_cmd); + install_element(CONFIG_NODE, &debug_isis_flooding_cmd); + install_element(CONFIG_NODE, &no_debug_isis_flooding_cmd); + install_element(CONFIG_NODE, &debug_isis_snp_cmd); + install_element(CONFIG_NODE, &no_debug_isis_snp_cmd); + install_element(CONFIG_NODE, &debug_isis_upd_cmd); + install_element(CONFIG_NODE, &no_debug_isis_upd_cmd); + install_element(CONFIG_NODE, &debug_isis_spfevents_cmd); + install_element(CONFIG_NODE, &no_debug_isis_spfevents_cmd); + install_element(CONFIG_NODE, &debug_isis_srevents_cmd); + install_element(CONFIG_NODE, &no_debug_isis_srevents_cmd); + install_element(CONFIG_NODE, &debug_isis_teevents_cmd); + install_element(CONFIG_NODE, &no_debug_isis_teevents_cmd); + install_element(CONFIG_NODE, &debug_isis_lfa_cmd); + install_element(CONFIG_NODE, &no_debug_isis_lfa_cmd); + install_element(CONFIG_NODE, &debug_isis_rtevents_cmd); + install_element(CONFIG_NODE, &no_debug_isis_rtevents_cmd); + install_element(CONFIG_NODE, &debug_isis_events_cmd); + install_element(CONFIG_NODE, &no_debug_isis_events_cmd); + install_element(CONFIG_NODE, &debug_isis_packet_dump_cmd); + install_element(CONFIG_NODE, &no_debug_isis_packet_dump_cmd); + install_element(CONFIG_NODE, &debug_isis_lsp_gen_cmd); + install_element(CONFIG_NODE, &no_debug_isis_lsp_gen_cmd); + install_element(CONFIG_NODE, &debug_isis_lsp_sched_cmd); + install_element(CONFIG_NODE, &no_debug_isis_lsp_sched_cmd); + install_element(CONFIG_NODE, &debug_isis_bfd_cmd); + install_element(CONFIG_NODE, &no_debug_isis_bfd_cmd); + install_element(CONFIG_NODE, &debug_isis_ldp_sync_cmd); + install_element(CONFIG_NODE, &no_debug_isis_ldp_sync_cmd); + + install_default(ROUTER_NODE); + +#ifdef FABRICD + install_element(CONFIG_NODE, &router_openfabric_cmd); + install_element(CONFIG_NODE, &no_router_openfabric_cmd); + + install_element(ROUTER_NODE, &net_cmd); + install_element(ROUTER_NODE, &no_net_cmd); + + install_element(ROUTER_NODE, &isis_topology_cmd); + install_element(ROUTER_NODE, &no_isis_topology_cmd); + + install_element(ROUTER_NODE, &log_adj_changes_cmd); + install_element(ROUTER_NODE, &no_log_adj_changes_cmd); +#endif /* ifdef FABRICD */ + + spf_backoff_cmd_init(); +} |